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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

DesignationClassShows onAlso known as
1951-D DDO-001II distorted hub doublingCONECA 1-O-II
1951-D DDO-002V pivoted hub doublingLIBERTYCONECA 2-O-V-CCW · CONECA 2-O-V · FS FS-25-1951D-101 (Removed in 6th Edition)
1951-D DDO-002LIBERTY where it is best seen on the lower R
1951-D DDO-003II distorted hub doublingLIBERTY. Slight Class VI extra thickness on IGWT, date, designer's initials, ribbonCONECA 3-O-II
1951-D DDO-004II distorted hub doublingCONECA 4-O-II
1951-D DDR-001II distorted hub doublingAMERICA, QUARTER DOLLAR, both of the branch ends, lower left leavesCONECA 1-R-II
1951-D WMHO-001IGWTCONECA SD-4-O-V
1951-P DDO-001V pivoted hub doublingCONECA 1-O-V-CCW
1951-P DDO-002I rotated hub doublingLIBERTY, date, designer's initials, lower queueCONECA 2-O-I-CCW
1951-P DDO-003II distorted hub doublingCONECA 3-O-II
1951-P DDO-004V pivoted hub doublingLIBERTY, date, designer's initials, lower queueCONECA 4-O-V-CW · CONECA 4-O-V · Crawford CDDO-001
1951-P DDO-005II distorted hub doublingCONECA 5-O-II
1951-P DDR-001II distorted hub doublingCONECA 1-R-II
1951-P DDR-002II distorted hub doublingCONECA 2-R-II
1951-P VDDO-006V pivoted hub doublingCONECA 6-O-V-CCW
1951-P VDDO-007V pivoted hub doublingCONECA 7-O-V-CW
1951-P WMHO-001IGWTCONECA SD-4-O-V
1951-S DDR-001II distorted hub doublingCONECA 1-R-II
1951-S DDR-001AMERICA, QUARTER DOLLAR, both of the lower branchesCONECA 1-R-II+VI
1951-S WMHO-001IGWTCONECA 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.

See how CoinScope Pro measures it

This is a reference, not an attribution. It narrows the field and names what each die is identified by; deciding that a coin is one of them is done with the coin under a lens, by a person, against the markers. Nothing here grades a coin or says it is genuine, and the wording is written from structured facts rather than copied from any catalog.
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