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Obverse Description
Spanish text; moon; hexagon green-to-gold OVI patch; astronomer Julio Garavito Armero
Reverse Description
Spanish text; Liberty head bank seal; geometric shapes; selenite craters on moon surface; earth as seen from moon
Catalog Information
GSID:
95011
Variety:
20 DE NOVIEMBRE DE 2006 Intro: 28 01 2008
BNB #:
B991p
Pick #:
P454
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Subject: I would like to contribute catalog info to CDN for 20 DE NOVIEMBRE DE 2006 Intro: 28 01 2008
Body: Referring page: http://beta.greysheet.com/prices/item/20-de-noviembre-de-2006-intro-28-01-2008/gsid/95011 GSID: 95011 Title: 20 DE NOVIEMBRE DE 2006 Intro: 28 01 2008
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Bank Note Value History
20 DE NOVIEMBRE DE 2006 Intro: 28 01 2008
Currency
Grade Range
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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
The Business of Numismatics: August 2026 Greysheet Editor's Letter
8/7/2026
Stack's Bowers Galleries Presents the Extraordinary Mack C. Chase Collection of Walking Liberty Half Dollars in the 2026 Global Showcase Auction
"These coins have been off the market for at least 10-15 years, and many of them are in older generation grading holders as well, adding to the excitement," comments John M. Pack.
8/7/2026
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