Whitman Expo
Diagonal red SPECIMEN ovpt front/back; no s/n 10 patacas Values
Details
Obverse: Chinese and Portuguese text; Portuguese Empire coat of arms; Templo Chinês da Barra (Chinese temple) building
Reverse: Chinese and Portuguese text; BNU seal
- Values
- World Currency
- Macau
- Banco Nacional Ultramarino
- Diagonal red SPECIMEN ovpt front/back; no s/n 10 patacas Values
Diagonal red SPECIMEN ovpt front/back; no s/n 10 patacas Values
Banknote Book Price Guide
Banco Nacional Ultramarino
Diagonal red SPECIMEN ovpt front/back; no s/n 10 patacas Values
Sponsor
Sponsor
Sponsor
Sponsor
Sponsor
Dealer Directory
View All Dealers
Greysheet News
View All News
A Nation Minted: New Release When Coins Were King by Mike Moran Reveals How Gold, Silver, and Politics Defined America's Identity
1/16/2026
In When Coins Were King, Moran reveals the fascinating, behind-the-scenes story of how America's coinage emerged from the turbulence of the post–Civil War economy and the discovery of the great Comstock Lode.
Canada. New One-Ounce Gold Bullion Coin Features North America's Heaviest Land Animal
1/16/2026
The Royal Canadian Mint release their second themed coin as part of the 'Our Purest' bullion range.
CAC Coins Bring Premiums in December 2025
1/16/2026
CAC approved and CACG encapsulated coins fared well in public sales during the month of December 2025.
Events
View All Events
Rothchild Catering & Conference Center
Saturday, November 1, 2025
Coinacopia Building
Saturday, November 1, 2025
Kalamazoo County Expo Center
Saturday, November 1, 2025