Whitman Expo
Commissioners reviewed reverse designs for the four American Innovation dollars scheduled to be released in 2028 and obverse and reverse designs for the 2027 issues in the Comic Art Coin and Medal Program.
Thank you to our sponsors!
Go check them out!
Obverse Description
Spanish text; denomination in dark blue-to-light blue OVI; BRC as registration device; Colibrí piquicorto (Ramphomicron dorsale) hummingbird and flower in green-to-blue SPARK Orbit; nautilus shell as registration device; Nobel prize in literature winner, Gabriel García Márquez, standing with butterflies and close-up
Reverse Description
Spanish text; two standing natives; Ciudad Perdida, the heart of the Tayrona culture in the Sierra Nevada de Santa Marta; burgao (nautilus shell); Liberty head bank seal
Catalog Information
GSID:
95076
Variety:
29 DE AGOSTO DE 2017 Sig 23: Echavarría/Ocampo Prefix AJ, AK, BA Intro: 22 10 2018
BNB #:
B997c
Pick #:
P462
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 29 DE AGOSTO DE 2017 Sig 23: Echavarría/Ocampo Prefix AJ, AK, BA Intro: 22 10 2018
Body: Referring page: http://www.greysheet.com/prices/item/29-de-agosto-de-2017-sig-23-echavarría-ocampo-prefix-aj-ak-ba-intro-22-10-2018/gsid/95076 GSID: 95076 Title: 29 DE AGOSTO DE 2017 Sig 23: Echavarría/Ocampo Prefix AJ, AK, BA Intro: 22 10 2018
Subscribe to View
Log In
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Bank Note Value History
29 DE AGOSTO DE 2017 Sig 23: Echavarría/Ocampo Prefix AJ, AK, BA Intro: 22 10 2018
Currency
Grade Range
Sort by
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
Review Held for Dollars, Comic Art Coins and Medals
11/6/2026
![Greysheet Podcast: A Coin Dealer Who Buys Over 500,000 Silver Dollars a Year [Video]](https://images.greysheet.com/l/blogs/20261106/7da06212-52a0-4221-a1cc-7e9ca442662f.jpg)
Greysheet Podcast: A Coin Dealer Who Buys Over 500,000 Silver Dollars a Year [Video]
Greysheet Podcast Featuring John Feigenbaum, Hunter Hicks, and Stephen Yaffe
11/6/2026
Weekly World Mint Coinage: November 5, 2026
New coins from Austria, Hungary, and the United Kingdom.
11/5/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026