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.
Obverse Description
Estonian text; guilloches
Reverse Description
Estonian text; three-masted sailing ship
Catalog Information
GSID:
100643
Variety:
Diagonal red PROOV ovpt
BNB #:
B204ds
Pick #:
P58s
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Subject: I would like to contribute catalog info to CDN for Diagonal red PROOV ovpt
Body: Referring page: http://www.greysheet.com/prices/item/diagonal-red-proov-ovpt-b204ds-100643-world-paper-money-values/gsid/100643 GSID: 100643 Title: Diagonal red PROOV ovpt
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Request Pricing 1919 Sig 1 Wmk: Horizontal lines Intro: 31 12 1919
Worth: $30 – $400
Wmk: Vertical lines
Worth: $30 – $400
Diagonal red PROOV ovpt; normal s/n
1921 Sig 1 Wmk: Horizontal lines Intro: 31 03 1921
Worth: $30 – $250
Wmk: Vertical lines
Worth: $30 – $250
Diagonal red PROOV ovpt
1921 Sig 1 Intro: 05 09 1921
Worth: $225 – $900
Diagonal red PROOV ovpt
1922 Sig 2 Prefix A Intro: 05 02 1923
Worth: $110 – $900
Prefix B
Worth: $110 – $900
Prefix D
Worth: $110 – $900
Prefix E
Worth: $110 – $900
Diagonal red PROOV ovpt
Diagonal red PROOV ovpt
Diagonal red PROOV ovpt
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Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026

![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)



