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Obverse Description
Spanish text; Francisco José de Caldas with globe
Reverse Description
Spanish text; objects from Museo del Oro (Gold Museum); Liberty head bank seal
Catalog Information
GSID:
94617
Variety:
1o DE MAYO DE 1973
BNB #:
B951d
Pick #:
P409a
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Subject: I would like to contribute catalog info to CDN for 1o DE MAYO DE 1973
Body: Referring page: http://www.greysheet.com/prices/item/1o-de-mayo-de-1973/gsid/94617 GSID: 94617 Title: 1o DE MAYO DE 1973
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Bank Note Value History
1o DE MAYO DE 1973
Value By Grade
1o DE MAYO DE 1973
Banknote Book values
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
Weekly World Mint Coinage: October 8, 2026
10/8/2026
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10/8/2026
October 2026 Greensheet Market Analysis: Collector Grade Notes Strong
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.
10/7/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
