The Heritage Auctions United States currency sale of October 6 to 9 realized $8,736,186 for 2,194 lots.
Obverse Description
Spanish text; flag as registration device; flying quetzal bird; Mayan man with potted flower as registration device; stylized temple; forefather and head of state, Mariano Gálvez; embossed glyph
Reverse Description
Spanish text; Mayan carving; standing and seated delegates signing the declaration of independence of Central America (firma del acta de la independencia de Centroamerica); Mayan man with potted flower; flag
Catalog Information
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 11 DE MAYO DE 2011 Sig 53: Francisco/Barquín Windowed security thread with demetalized BG20 Printer: GOZNAK
Body: Referring page: http://www.greysheet.com/prices/item/11-de-mayo-de-2011-sig-53-francisco-barquín-windowed-security-thread-with-demetalized-bg20-printer-goznak/gsid/106846 GSID: 106846 Title: 11 DE MAYO DE 2011 Sig 53: Francisco/Barquín Windowed security thread with demetalized BG20 Printer: GOZNAK
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Values
Greysheet News
Following a thrilling multi-day showcase, Stack's Bowers and Ponterio is pleased to report the spectacular results of their October 2026 Hong Kong (SAR) Showcase Auction, which concluded on October 26, 2026.
Red Book Podcast Featuring Jeff Garrett, Mike Moran, and Todd Imhof


![Red Book Podcast: The Hidden History of U.S. Coins: Gold, Corruption & Theodore Roosevelt's Rare Coin Legacy! [Video]](https://images.greysheet.com/l/blogs/20261030/b2eecd07-d628-43cb-89b4-36892ef71a10.png)


