Whitman Expo
New coins from Australia, Canada, and Spain.
Thank you to our sponsors!
Go check them out!
Obverse Description
Portuguese text; head of República; coat of arms with laurels and star as registration device
Reverse Description
Back (vertical): Portuguese text; coat of arms; GAROUPA (Epinephelus marginatus, Dusky grouper) fish swimming among seaweed
Catalog Information
GSID:
89619
Variety:
Sig 28a Prefix/suffix A/A 1311-2818
BNB #:
B869e
Pick #:
P247
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Sig 28a Prefix/suffix A/A 1311-2818
Body: Referring page: https://www1.greysheet.com/prices/item/sig-28a-prefix-suffix-a-a-1311-2818/gsid/89619 GSID: 89619 Title: Sig 28a Prefix/suffix A/A 1311-2818
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
Sig 28a Prefix/suffix A/A 1311-2818
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
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