The rare coin market so far in 2026 has been somewhat volatile, with greater price swings happening over a shorter period of time when compared to historical norms.
Obverse Description
Gujarati, Marathi, Konkani, Portuguese, and Urdu text; Portuguese national coat of arms; Afonso de Albuquerque
Reverse Description
Portuguese text; BNU seal; standing man holding scroll, gazing towards ships at sea
Catalog Information
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Subject: I would like to contribute catalog info to CDN for Sig A37/G9
Body: Referring page: http://www.greysheet.com/prices/item/sig-a37-g9-b330e-129891-world-paper-money-values/gsid/129891 GSID: 129891 Title: Sig A37/G9
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Free three-day Fall Expo brings Stack's Bowers Galleries Showcase Auction lot viewing, a 2026 U.S. 250th Anniversary coins, educational programming, and one of the hobby's biggest dealer floor to the Baltimore Convention Center.
The Heritage Auctions United States currency sale of October 6 to 9 realized $8,736,186 for 2,194 lots.





