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
Portuguese text; “Parque” (park) school building; educator, Anísio Spínola Teixeira wearing glasses; owl as registration device
Reverse Description
Portuguese text; owl; student and teacher using band saw; students wearing uniforms; boy with hammer and chisel; boy reading book
Catalog Information
GSID:
89523
Variety:
No date Sig 20 Prefix/suffix A/A 0001-2515 Intro: 01 10 1993
BNB #:
B862a
Pick #:
P240
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for No date Sig 20 Prefix/suffix A/A 0001-2515 Intro: 01 10 1993
Body: Referring page: http://www.greysheet.com/prices/item/no-date-sig-20-prefix-suffix-a-a-0001-2515-intro-01-10-1993/gsid/89523 GSID: 89523 Title: No date Sig 20 Prefix/suffix A/A 0001-2515 Intro: 01 10 1993
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
No date Sig 20 Prefix/suffix A/A 0001-2515 Intro: 01 10 1993
Currency
Grade Range
Sort by
Pricing
Values
Banknote Book (CPG) Values
No date Sig 2 Series 1701-2200 Intro: 1965
Worth: $2 – $30
Diagonal red SPECIMEN and DLR oval ovpts; horizontal red SPECIMEN No # ovpt lower left; all-zero s/n
No date Sig 2 Series 1-493 Intro: 00 08 1966
Worth: $6 – $100
Series 561-590 Intro: 1967
Worth: $6 – $100
Diagonal red SPECIMEN ovpt front; all-zero s/n
Two diagonal red MODÊLO ovpts
Uniface front proof; no ovpt; no perf; no s/n
No date Sig 2 Title right: MINSTRO… (error) Series 3056-3151 Intro: 13 02 1967
Worth: $2 – $2
Title right: MINISTRO… (corrected) Series 3152-4055
Worth: $2 – $2
No date Sig 2 Title right: MINSTRO… (error) Series 786-1313 Intro: 13 02 1967
Worth: $2 – $2
Title right: MINISTRO… (corrected) Series 1314-1885
Worth: $2 – $2
No date Sig 2 Title right: MINSTRO… (error) Series 416-911 Intro: 13 02 1967
Worth: $3 – $3
Title right: MINISTRO… (corrected) Series 912-1515
Worth: $3 – $3
No date Sig 2 Series 1461-2360 Intro: 13 02 1967
Worth: $1 – $13
Two diagonal red SPECIMEN ovpts front; no s/n; selvage
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