Whitman Expo
New coins from Australia, Canada, and Spain.
Thank you to our sponsors!
Go check them out!
Obverse Description
Spanish text; frog on lily pad; trees; poet José Asunción Silva; winged termite
Reverse Description
Spanish text; quill; floral decoration; woman in grove with moon and pedestal with microprinted text from Silva’s poem, Nocturno (Night); Liberty head bank seal
Catalog Information
GSID:
94950
Variety:
18 DE AGOSTO DE 2007 Intro: 18 06 2009
BNB #:
B989j
Pick #:
P452
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for 18 DE AGOSTO DE 2007 Intro: 18 06 2009
Body: Referring page: https://www1.greysheet.com/prices/item/18-de-agosto-de-2007-intro-18-06-2009/gsid/94950 GSID: 94950 Title: 18 DE AGOSTO DE 2007 Intro: 18 06 2009
Subscribe to View
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Bank Note Value History
18 DE AGOSTO DE 2007 Intro: 18 06 2009
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
Weekly World Mint Coinage: August 13, 2026
8/13/2026
Atocha Silver Ingot Leads Heritage's Shipwreck & Treasures World Coins Auction to $459,498
Atocha, 1715 Fleet and Whydah treasures among top highlights in Aug. 9 event.
8/12/2026
The Shape of Things to Come in U.S. Coinage
The U.S. Mint is planning to release the first U.S. coinage and medal of a shape other than round.
8/12/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, June 3, 2026