We now have the first prices realized dataset for the immense Stack's Bowers Global Showcase auction, and it reveals a market that is moving in two directions at the same time.
Japanese Government Currency & Banknote Values
Banknote Book® Price Guide
The Greysheet Catalog (GSID) of the Japanese Government series of Oceania in the World Currency contains 11 distinct entries with CPG® values between $1.00 and $50.00.
These four notes, officially “Foreign Denomination Military Certificates,” were issued by Japanese forces soon after they invaded New Britain on 23 January 1942, and New Guinea on 8 March, and were declared the sole legal tender in the British South Pacific territories (Gilbert Islands, New Britain, New Guinea, and Solomon Islands) on 14 March 1943. These notes bear the imprint of the Greater Japan Imperial Government in Japanese text at lower center front. All of these notes have series letters starting with the letter O. These notes are often collectively referred to as “JIM” for Japanese Invasion Money. 1/4-shilling notes have been reported but are fakes. Souvenir copies of the official notes were printed in Australia during World War II with red REPLICA overprinted on the back, so be on the lookout for evidence of erasures.
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Greysheet News
Stack's Bowers Galleries' Summer 2026 Global Showcase Auction Realizes Over $70 Million
Results Set Record for the Firm's Highest Grossing Auction Sale in its 90+ Year History.
10/7/2026
The Business of Numismatics: October 2026 Greysheet Editor's Letter
While reviewing the initial results in various categories of recent auctions, my initial take is that the sales were moderate to strong.
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