1951 Washington Quarter Die Varieties
20 varieties are listed for this date. Each one is identified by where the doubling shows and by die markers - scratches, gouges and polish lines that belong to that die alone, and that are what you check a coin against.
What kinds are listed for this date
The varieties
| Designation | Class | Shows on | Also known as |
|---|---|---|---|
| 1951-D DDO-001 | II distorted hub doubling | CONECA 1-O-II | |
| 1951-D DDO-002 | V pivoted hub doubling | LIBERTY | CONECA 2-O-V-CCW · CONECA 2-O-V · FS FS-25-1951D-101 (Removed in 6th Edition) |
| 1951-D DDO-002 | LIBERTY where it is best seen on the lower R | ||
| 1951-D DDO-003 | II distorted hub doubling | LIBERTY. Slight Class VI extra thickness on IGWT, date, designer's initials, ribbon | CONECA 3-O-II |
| 1951-D DDO-004 | II distorted hub doubling | CONECA 4-O-II | |
| 1951-D DDR-001 | II distorted hub doubling | AMERICA, QUARTER DOLLAR, both of the branch ends, lower left leaves | CONECA 1-R-II |
| 1951-D WMHO-001 | IGWT | CONECA SD-4-O-V | |
| 1951-P DDO-001 | V pivoted hub doubling | CONECA 1-O-V-CCW | |
| 1951-P DDO-002 | I rotated hub doubling | LIBERTY, date, designer's initials, lower queue | CONECA 2-O-I-CCW |
| 1951-P DDO-003 | II distorted hub doubling | CONECA 3-O-II | |
| 1951-P DDO-004 | V pivoted hub doubling | LIBERTY, date, designer's initials, lower queue | CONECA 4-O-V-CW · CONECA 4-O-V · Crawford CDDO-001 |
| 1951-P DDO-005 | II distorted hub doubling | CONECA 5-O-II | |
| 1951-P DDR-001 | II distorted hub doubling | CONECA 1-R-II | |
| 1951-P DDR-002 | II distorted hub doubling | CONECA 2-R-II | |
| 1951-P VDDO-006 | V pivoted hub doubling | CONECA 6-O-V-CCW | |
| 1951-P VDDO-007 | V pivoted hub doubling | CONECA 7-O-V-CW | |
| 1951-P WMHO-001 | IGWT | CONECA SD-4-O-V | |
| 1951-S DDR-001 | II distorted hub doubling | CONECA 1-R-II | |
| 1951-S DDR-001 | AMERICA, QUARTER DOLLAR, both of the lower branches | CONECA 1-R-II+VI | |
| 1951-S WMHO-001 | IGWT | CONECA SD-4-O-V |
Knowing the number is the easy half
The listing tells you what has been documented for 1951 Washington Quarter. Deciding whether the coin in your hand is one of them means measuring the spread and checking the markers - under a scope, in millimeters, against a calibrated scale.