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; square symbol for blind; scales registration device; crowd as seen from Nutibara hotel in Medellín; Jorge Eliécer Gaitán Ayala
Reverse Description
Spanish text; Gaitán quote and signature; Liberty head bank seal; crowd; Jorge Eliécer Gaitán Ayala waving hat, announcing presidential candidacy in Bogotá; scales; flowers
Catalog Information
GSID:
94879
Variety:
31 DE ENERO DE 2006 Intro: 20 03 2007
BNB #:
B986b
Pick #:
P456b
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Subject: I would like to contribute catalog info to CDN for 31 DE ENERO DE 2006 Intro: 20 03 2007
Body: Referring page: http://www.greysheet.com/prices/item/31-de-enero-de-2006-intro-20-03-2007/gsid/94879 GSID: 94879 Title: 31 DE ENERO DE 2006 Intro: 20 03 2007
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Bank Note Value History
31 DE ENERO DE 2006 Intro: 20 03 2007
Currency
Grade Range
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Pricing
Values
Banknote Book (CPG) Values
PRIMERO DE MAYO DE 1920 6- or 7-digit s/n Intro: 1923
Worth: $3,500 – $7,000
QUINCE DE SEPTIEMBRE DE 1919 6-digit s/n Intro: 1923
Worth: $17,000 – $33,500
QUINCE DE SEPTIEMBRE DE 1919 6-digit s/n Intro: 1923
QUINCE DE SEPTIEMBRE DE 1919 6-digit s/n Intro: 1923
20 DE JULIO DE 1923 Sig 1: Joaquín/Michelsen/Posada Series A 7- or 8-digit s/n
Worth: $130 – $500
Separate uniface front/back; no ovpt; no perf; all-zero s/n
Separate uniface front/back; no ovpt; no perf; no s/n
Two diagonal red SPECIMEN ovpt front; all-zero s/n
20 DE JULIO DE 1923 Sig 1: Joaquín/Michelsen/Posada Series B 7-digit s/n
Worth: $200 – $2,700
Separate uniface front/back; no ovpt; no perf; all-zero s/n
Separate uniface front/back; no ovpt; no perf; no s/n
Two diagonal red SPECIMEN ovpt front; all-zero s/n
20 DE JULIO DE 1923 Sig 1: Joaquín/Michelsen/Posada Series C 7-digit s/n
Worth: $400 – $1,700
Separate uniface front/back; no ovpt; no perf; all-zero s/n
Separate uniface front/back; no ovpt; no perf; no 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
