RPMs
1948-D 50c RPM-001
Description: D/D/D Serifs
Markers:
Stage C:
-obverse and reverse are LDS
Cross Reference: none
Reported By: Michael L. Ellis
Population: 0
Note: Images needed
1948-D 50c WRPM-001
Description: D/D Tilted
Markers:
Stage B:
-obverse and reverse are MDS
-die scratch runs south from tip of nose
-NE-SW die scratches between E of E PLURIBUS UNUM and right dot
-two east-west die scratches under D of UNITED which link together on the right end
Cross Reference: PRPM-001, RPM-001 (Flynn)
Reported By: George Wilkinson
Population: 1 - 64FBL
Image courtesy of John Bordner
1948-D 50c WRPM-003
Description: D/D Tilted
Markers:
-very light doubling on E PLURIBUS UNUM showing as notches on upper left of letters, listed as WDDR-001
Cross Reference: PRPM-002, RPM-002 (Flynn)
Reported By: David Mulberry
Population: 1 - 63FBL
1949-D 50c RPM-001
Description: D/D West
Markers:
Stage B:
-obverse and reverse are MDS
Cross Reference: RPM #1 (RPM Book)
Reported By: Ronald Holody
Population: 0
Image taken from "The RPM Book"
1949-S 50c RPM-001
Description: S/S West
Markers:
Stage B:
-obverse and reverse are MDS
-light north-south die scratches through IB of PLURIBUS and 2nd U of UNUM
Cross Reference: PRPM-001, RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: unknown
Population: 3 - 63, (2) 64
1949-S 50c RPM-002
Description: S/S South
Markers:
Stage B:
-obverse and reverse are MDS
Stage C:
-obverse and reverse are LDS
Cross Reference: PRPM-002, FS-501(11.3), RPM-002 (Flynn)
Reported By: Michael L. Ellis
Population: 5 - 53, (2) 62FBL, 64, 64FBL
1949-S 50c RPM-003
Description: S/S/S East, West
Markers:
Stage A:
-obverse and reverse are EDS
-early strikes are proof-like with heavy die abrasion on obverse and reverse
-die gouge "spikes" coming off top left of R and T of LIBERTY
Stage B:
-obverse and reverse are MDS
-circular die scratches above BERTY of LIBERTY
-several die scratches on reverse
Cross Reference: PRPM-003, RPM-003 (Flynn)
Reported By: James Wiles
Population: 3 - 63FBL, 64 PL/CAC, 65FBL PL
1950-D 50c WOMM-001, CONECA RPM-001
(click for more info)
Description: D/S South (CONECA D/D South)
Markers:
Stage B:
-obverse and reverse are MDS
-doubling on date, listed as WDDO-001
-die crack coming off right end of lower horizontal bar of E of LIBERTY going through the bottom of vertical bar of R and under T
-various die scratches above head
Cross Reference: POMM-001, VCR#1/OMM#1
Reported By: Jose Cortez
Population: 3 - 53, (2) 64FBL
Images courtesy of John Wexler
1950-D 50c RPM-002
(click for more images)
Description: D/D South
Markers:
Stage B:
-obverse and reverse are MDS
-doubling on reverse, listed as CONECA DDR-004
-die gouge right of lower B of LIBERTY
-horizontal die scratch below E of LIBERTY
-long north-south die scratch left of 1 of date
-diagonal die gouge above E of E PLURIBUS UNUM
-die scratch runs SE from M of UNUM
-die gouge between upper E and S of STATES
-die gouge inside lower 2nd S of STATES
-die gouge inside O of OF
Cross Reference: WRPM-002
Reported By: Tony Russo
Population: 0
Image courtesy of John Wexler
Image courtesy of James Wiles, Variety Vista
1951-D 50c WRPM-001
Description: D/D Tilted
Markers: none noted
Cross Reference: PRPM-001, RPM-001 (Flynn)
Reported By: David Mulberry
Population: 1 - 63FBL
1951-S 50c RPM-001
Description: S/S Southwest
Markers:
-mintmark is lower than RPM-004
Stage A:
-obverse and reverse are EDS
-parallel die scratches running ESE-WNW through mintmark
-medium secondary mintmark
Stage B:
-obverse and reverse are MDS
Stage C:
-obverse and reverse are LDS
-strong secondary mintmark
Cross Reference: PRPM-001, RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: unknown
Population: 3 - (2) 64, 65
Stage A
Stage B
1951-S 50c RPM-002
Description: S/S South
Markers:
Stage B:
-obverse and reverse are MDS
-die scratches along neck
-very light clash mark at mouth and nose area
-north-south die scratches through B of PLURIBUS and UM of UNUM
-north-south die scratches between upper left side of bell and bell hanger
-north-south die scratches above left side of eagle
Cross Reference: PRPM-003, RPM #2 (RPM Book)
Reported By: unknown
Population: 1 - 65
1951-S 50c RPM-003
Description: S/S West
Markers:
Stage C:
-obverse and reverse are LDS
Stage D:
-obverse and reverse are VLDS
Cross Reference: PRPM-002, WRPM-009, RPM-003 (Flynn)
Reported By: David Mulberry
Population: 1 - 64
1951-S 50c RPM-004
(click for more images)
Description: S/S South
Markers:
-mintmark is higher than RPM-001
Stage C:
-obverse and reverse are LDS
Cross Reference: none
Reported By: James Wiles
Population: 0
Image courtesy of James Wiles, Variety Vista
1951-S 50c RPM-005
Description: S/S South
Markers:
Stage B:
-obverse and reverse are MDS
Stage C:
-obverse and reverse are LDS
Cross Reference: WRPM-012
Reported By: Ward Miller
Population: 0
Image courtesy of John Wexler
1951-S 50c RPM-006
(click for more images)
Description: S/S/S West, West
Markers:
Stage C:
-obverse and reverse are LDS
Cross Reference: none
Reported By: Tony Russo
Population: 0
Image courtesy of James Wiles, Variety Vista
1952-D 50c RPM-001
Description: D/D West
Markers:
Stage B:
-obverse and reverse are MDS
Cross Reference: RPM #1 (RPM Book)
Reported By: unknown
Population: 0
Image taken from "The RPM Book"
1952-D 50c RPM-002
Description: D/D South
Markers:
Stage B:
-obverse and reverse are MDS
Stage C:
-obverse and reverse are LDS
Cross Reference: PRPM-001, WRPM-003, RPM-002 (Flynn)
Reported By: A. Dalton
Population: 1 - 65FBL
1952-D 50c WRPM-004
Description: D/D Tilted
Markers:
-very light north-south die scratches in front of mouth
Cross Reference: PRPM-002, RPM-003 (Flynn)
Reported By: David Mulberry
Population: 1 - 63FBL
1952-S 50c RPM-001
Description: S/S/S East, West
Markers:
Stage C:
-obverse and reverse are LDS
Cross Reference: PRPM-001, RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: unknown
Population: 1 - 64
1952-S 50c WRPM-003
Description: S/S West
Markers:
Stage C:
-obverse and reverse are LDS
Cross Reference: PRPM-002, RPM-003 (Flynn)
Reported By: Brett Parrish
Population: 1 - 65
1953-D 50c RPM-001
Description: D/D South
Markers:
Stage B:
-obverse and reverse are MDS
Stage C:
-obverse and reverse are LDS
Cross Reference: RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: unknown
Population: 0
Image taken from "The RPM Book"
1953-S 50c RPM-001
Description: S/S Northwest
Markers:
Stage B:
-obverse and reverse are MDS
-east-west die scratches through mintmark
Stage C:
-obverse and reverse are LDS
-die scratches worn away
Cross Reference: PRPM-001, FS-501
Reported By: Hugh T. Campbell
Population: 2 - 63, 65
1954-D 50c RPM-001
Description: D/D West
Markers: none noted
Cross Reference: RPM #1 (RPM Book)
Reported By: unknown
Population: 0
Image taken from "The RPM Book"
1954-D 50c RPM-002
Description: D/D West
Markers:
Stage C:
-obverse and reverse are LDS
-several north-south die scratches behind head
Stage D:
-obverse and reverse are VLDS
-die scratches are weak or missing
Cross Reference: none
Reported By: James Wiles
Population: 0
Note: Images needed
1954-D 50c - Possible Dual Mintmark and/or RPM
Description: remnants of a possible D and S mintmark NW of primary mintmark
Markers: none noted
Cross Reference: none
Reported By: Tom Sparks
Population: 0
Note: An earlier die state is needed to help prove or disprove the possibility of a DMM/RPM.
Image courtesy of Ken Potter
1957-D 50c RPM-001
Description: D/D Tilted
Markers:
Stage A:
-obverse and reverse are EDS
-minor clash mark at bottom of nose
-two strong parallel die scratches running north from 2nd T of TRUST
-die abrasion covers obverse and reverse fields
-three short NW-SE parallel die scratches on right side of bell holder
Stage B:
-obverse and reverse are MDS
Cross Reference: PRPM-001, FS-501, WRPM-001, RPM-001 (Flynn)
Reported By: Delma K. Romines
Population: 8 - 63FBL, 64, (6) 64FBL
1957-D 50c WRPM-002
Description: D/D Tilted
Markers:
-similar to RPM-001
-SSW-NNE die scratches between neck and date
-various die scratches in front of, behind, and underneath bust
-minor clash mark at bottom of nose
-various die scratches above, below, to the left and right of bell
-light clash mark running through B of PLURIBUS and M of UNUM
Cross Reference: PRPM-002, RPM-002 (Flynn)
Reported By: unknown
Population: 1 - 64FBL
Die scratches above head
1958-D 50c RPM-001
Description: D/D East
Markers:
Stage C:
-obverse and reverse are LDS
-various die scratches on obverse
-two short die scratches running NNE from top right of E of E PLURIBUS UNUM
-short die scratch running NNE from top of I of PLURIBUS
Stage D:
-obverse and reverse are VLDS
Cross Reference: PRPM-001, RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: unknown
Population: 1 - 64
1960-D 50c WRPM-003
Description: D/D East
Markers:
-short die scratch east from upper right of R of TRUST
-east-west die scratches connecting the letters of UNITED at the top
-die scratches running SSW from the left underside of the horizontal bar of the 1st T of STATES
-die chip (dot) below the center of the eagle
Cross Reference: PRPM-001
Reported By: Brett Parrish
Population: 1 - 64
Image courtesy of John Bordner
1961-D 50c RPM-001
(click for more images)
Description: D/D Southeast
Markers:
-can be found in mint sets
Stage A:
-obverse and reverse are EDS (DMR-004)
-horizontal die scratch through mintmark
-strong die scratch running NNE to the east of mintmark
Stage B:
-obverse and reverse are EMDS
-horizontal die scratch is weak to the west of mintmark
-light die crack on bust
Stage C:
-obverse and reverse are MDS
-horizontal die scratch is missing to the east of mintmark
-medium die crack on bust
Stage D:
-obverse die changed (DMR-002), MDS
-reverse is LDS
-NNE die scratch to the east of mintmark is weak
-medium die crack on bust, lower than die crack on 1st obverse
Cross Reference: PRPM-001, RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: unknown
Population: 3
-DMR-004: 3 - 64, 64FBL, 65
-DMR-002: 0
1961-D 50c WRPM-003
Description: D/D Tilted
Markers:
-die crack on center of the bust
-fine NE-SW die scratches in the fields to the left and right of the bell
-fine NW-SE die crack on vertical portion of the right bell handle
Cross Reference: PRPM-002, RPM-002 (Flynn)
Reported By: Brett Parrish (discovered by Greg Lewis)
Population: 1 - 64
Image courtesy of John Bordner
Proof - Possible Misplaced Mintmark
Description: possible D mintmark just to the right of STOW on bell inscription
Markers:
-master die doubling on obverse
Cross Reference: none
Reported By: Brian Raines
Population: 1 - 65
Link to original article by Ken Potter
"Discovery Coin" found by Brian Raines
Images courtesy of Ken Potter
Second example found by Rod Snowdon
1962-D 50c RPM-001
Description: D/D/D East, West
Markers:
-master die doubling on obverse
Stage C:
-obverse and reverse are LDS
-die crack across lower bust
Cross Reference: PRPM-001, RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: unknown
Population: 1 - 64
Image courtesy of DM Rare Coins
1962-D 50c RPM-002
Description: D/D Northeast (secondary mintmark possibly inverted or horizontal)
Markers:
-master die doubling on obverse
Stage B:
-obverse and reverse are MDS
Cross Reference: PRPM-002, RPM #2 (RPM Book), RPM-002 (Flynn)
Reported By: unknown
Population: 1 - 64
Image taken from "The RPM Book"
1962-D 50c RPM-003
Description: D/D East
Markers:
-master die doubling on obverse
Stage A:
-obverse and reverse are EMDS
Cross Reference: RPM #3 (RPM Book), Breen 5262, RPM-003 (Flynn)
Reported By: Paul Funaiole
Population: 0
Image courtesy of James Wiles (Error Scope, Sept./Oct. 2001)
1962-D 50c RPM-004
Description: D/D South
Markers:
-master die doubling on obverse
Stage A:
-obverse and reverse are EDS
Cross Reference: none
Reported By: David Bloomberg
Population: 0
Image courtesy of James Wiles (Error Scope, Mar./Apr. 2004)
1963-D 50c RPM-001
Description: D/D South
Markers:
-mintmark is lower than RPM-002
Stage A:
-obverse and reverse are EMDS
-north-south die scratches on obverse
Stage B:
-obverse and reverse are MDS
Stage C:
-obverse and reverse are LDS
-obverse die scratches worn away
Cross Reference: PRPM-001, WRPM-002, RPM-003 (Flynn)
Reported By: John Bordner
Population: 1 - 65
RPM-002
(click for more images)
Description: D/D South
Markers:
-mintmark is higher than RPM-001
Stage A:
-obverse and reverse are EDS
Stage B:
-obverse and reverse are MDS
-short die scratches running east from front of face and neck
-die scratch running east from front of coat through 1 of date
-die scratch running ENE from top vertical bar of E of WE connecting to left side of vertical bar of 1st T of TRUST
-various die scratches above and below bust
Cross Reference: PRPM-002, WRPM-001, RPM #2 (RPM Book), RPM-002 (Flynn)
Reported By: unknown
Population: 1 - 64FBL
1963-D 50c RPM-003
Description: D/D South
Markers:
Stage A:
-obverse and reverse are EDS
Stage B:
-obverse and reverse are MDS
-north-south die scratches on obverse and reverse
Cross Reference: PRPM-003, RPM-004 (Flynn)
Reported By: James Wiles
Population: 1 - 63
1963-D 50c RPM-004
Description: D/D West
Markers:
Stage A:
-obverse and reverse are EDS
Cross Reference: none
Reported By: James Wiles
Population: 0
Note: Images needed
1963-D 50c RPM-005
Description: D/D Southwest
Markers:
Stage A:
-obverse and reverse are EMDS
-very light tripling on E PLURIBUS UNUM
Cross Reference: none
Reported By: Greg Lewis
Population: 0
Note: Images needed
1963-D 50c WRPM-005
Description: D/D East
Markers:
Stage D:
-obverse is EDS
-reverse is VLDS
Cross Reference: PRPM-004, RPM #1 (RPM Book), RPM-001 (Flynn)
Reported By: David Mulberry
Population: 1 - 65
1963-D 50c WRPM-006
Description: D/D West
Markers:
-doubling on E PLURIBUS UNUM, listed as WDDR-006
-SW-NE die scratch left of the bottom of the I of LIBERTY
-die scratch running ESE from center of E of LIBERTY to the lower left of R of LIBERTY
-die gouge right of the top of the 2nd T of TRUST
-NW-SE parallel die scratches between N of IN and G of GOD
Cross Reference: PRPM-005
Reported By: John Bordner
Population: 1 - 63
Image courtesy of John Wexler
