Whitman Expo
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.
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Obverse Description
French text; coat of arms; Mobutu Sésé Seko wearing civilian clothes; leopard
Reverse Description
French text; bank monogram; carving of seated woman; Inga I hydroelectric dam on Congo River
Catalog Information
GSID:
95298
Variety:
Proof of back with diagonal SPECIMEN perf; reverse with WERTLOS pattern
BNB #:
B211ap
Pick #:
P14
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Subject: I would like to contribute catalog info to CDN for Proof of back with diagonal SPECIMEN perf; reverse with WERTLOS pattern
Body: Referring page: http://www.greysheet.com/prices/item/proof-of-back-with-diagonal-specimen-perf-reverse-with-wertlos-pattern/gsid/95298 GSID: 95298 Title: Proof of back with diagonal SPECIMEN perf; reverse with WERTLOS pattern
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Pricing Data Not Yet Available
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Request Pricing 15-11-1961 Sig 1: Mbamu Prefix A - D
Worth: $5 – $70
15-01-1962 Prefix D - G
Worth: $5 – $70
15-02-1962 Prefix H - L
Worth: $5 – $70
15-03-1962 Prefix M - Q
Worth: $5 – $70
15-04-1962 Prefix R - U
Worth: $5 – $70
15-05-1962 Prefix V - Y
Worth: $5 – $70
15-06-1962 Prefix Z, AA - CA
Worth: $5 – $70
15-07-1962 Prefix DA - GA
Worth: $5 – $70
15-08-1962 Prefix HA - LA
Worth: $5 – $70
15-09-1962 Prefix MA - YA
Worth: $5 – $70
Diagonal red SPECIMEN ovpt front/back; all-zero s/n
1 9 1961 Sig 1: Mbamu Prefix A/1 - A/4
Worth: $5 – $80
1 11 1961 Prefix A/5, A/6
Worth: $5 – $80
1 1 1962 Prefix A/7 - A/9
Worth: $5 – $80
1 2 1962 Prefix A/10 - A/13
Worth: $5 – $80
Greysheet News
October 2026 Greensheet Market Analysis: Collector Grade Notes Strong
10/7/2026
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.
10/6/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
