Whitman Expo
Physical Characteristics
Weight:
5 gr
Strike Type:
Proof
Diameter:
21.400 mm
Coin Shape:
Equilateral curve heptagon (7-sided)
Design Details
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- Values
- World Coins
- Guernsey
- Guernsey
- 1990 Guernsey
- 1990 20 Pence PR Values
1990 20 Pence PR Values
Greysheet & Red Book® Price Guide
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Greysheet News
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France. Iconic Mystery Author Features on Latest Gold and Silver Proof Coins
3/3/2026
The Monnaie de Paris release new gold and silver coins highlighting beloved literary works.
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3/2/2026
The Central Bank of Armenia release celebratory coins marking an important national event.
Canada. New Gold Proof Coins Depict Elegant Ketch Rig in Tall Ships Series
2/27/2026
The Royal Canadian Mint release their latest design in the popular Tall Ships Series.
Events
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Mustang Town Center
Saturday, January 3, 2026
Rothchild Catering & Conference Center
Saturday, January 3, 2026
Embassy Suites
Sunday, January 4, 2026