Whitman Expo
New coins from Canada, Ireland, and the United Kingdom.
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
Subject: I would like to contribute catalog info to CDN for Sig 28a Prefix/suffix A/A 1311-2818
Body: Referring page: http://www.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
Log In
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: October 8, 2026
10/8/2026
U.S. Mint Chooses Artist Corps
The United States Mint has selected 37 American artists to participate in its Artistic Infusion Program (AIP) to create and submit new designs for coins and medals.
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
