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
Spanish text; founder of the Sandinista National Liberation Front, Comandante Carlos Fonseca Amador
Reverse Description
Spanish text; soldiers with rifles and flag atop vehicle amid crowd outside Metropolitan Cathedral of Managua in Plaza de la República on liberation day, 19 July 1979 (Día de la Liberación-19 de Julio de 1979)
Catalog Information
GSID:
124777
Variety:
Sig 6b: Cuadra/Alaniz/Ubilla
BNB #:
B430b
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Subject: I would like to contribute catalog info to CDN for Sig 6b: Cuadra/Alaniz/Ubilla
Body: Referring page: http://www.greysheet.com/prices/item/sig-6b-cuadra-alaniz-ubilla/gsid/124777 GSID: 124777 Title: Sig 6b: Cuadra/Alaniz/Ubilla
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Bank Note Value History
Sig 6b: Cuadra/Alaniz/Ubilla
Value By Grade
Sig 6b: Cuadra/Alaniz/Ubilla
Banknote Book values
Currency
Grade Range
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Pricing
Values
Banknote Book (CPG) Values
26.4.1962 26 DE ABRIL DE 1962 Sig 1: Somoza/Laínez/Bojorge Series A
Worth: $1 – $15
Two diagonal red 35-mm wide MUESTRA SIN VALOR ovpts front/back; all-zero s/n
26.4.1962 26 DE ABRIL DE 1962 Sig 1: Somoza/Laínez/Bojorge Series A
Worth: $4 – $60
No date, no sig , no s/n
Two diagonal red 64-mm wide MUESTRA SIN VALOR ovpts front/back; no s/n
Worth: $130 – $130
Two diagonal red 35-mm wide MUESTRA SIN VALOR ovpts front/back; all-zero s/n
Worth: $130 – $130
Diagonal red SPECIMEN ovpt front; all-zero s/n
Worth: $130 – $130
26.4.1962 26 DE ABRIL DE 1962 Sig 1: Somoza/Laínez/Bojorge Series A
Worth: $10 – $250
No date, no sig , no s/n
Worth: $250 – $250
Two diagonal blue 64-mm wide MUESTRA SIN VALOR ovpts front/back; no s/n
Two diagonal blue 35-mm wide MUESTRA SIN VALOR ovpts front/back; all-zero s/n
Diagonal blue SPECIMEN ovpt front; all-zero s/n
26.4.1962 26 DE ABRIL DE 1962 Sig 1: Somoza/Laínez/Bojorge Series A
Worth: $20 – $300
Two diagonal red 64-mm wide MUESTRA SIN VALOR ovpts front/back; no s/n
Diagonal red SPECIMEN ovpt front; all-zero s/n
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
