Whitman Expo
(1857) Copper, Uniface Die Trial Pattern $20 PR BN J-190 Values
Details
Undated $20. Experimental piece. The regular reverse, uniface, was made very concave by passing it through the upsetting machine before and after striking.
Obverse: Blank.
Reverse: From the regular die of the period.
Basic Information
GSID:
12271
Coin Date:
(1857)
Denomination:
P$20 / Pattern $20
Designation:
PR
Mint & Coinage Details
Mint Location:
Philadelphia
Mintage:
Unique
Coinage Type:
Pattern
Coinage Years:
1857
Composition:
Copper
Varieties and Classification
Variety:
Copper, Uniface Die Trial
Variety 2:
J-190
Rarity:
R-unique
Physical Characteristics
Strike Type:
Proof
Coin Shape:
Round
