Whitman Expo
Numismaster.com ceased operations on July 31, leaving paid digital subscribers scrambling to pursue other options for their numismatic information.
Image Coming Soon
We're working on adding images for this item.
Thank you to our sponsors!
Go check them out!
Obverse Description
Portuguese text; nimba, mask of woman; map of Guiné-Bissau; Amílcar Cabral wearing cap; coat of arms; flame registration device
Reverse Description
Portuguese text; flame; man harvesting rice; man with arade in field
Catalog Information
GSID:
107093
Variety:
12 DE SETEMBRO DE 1984 Sig 4: Viera/Monteiro/Gomes Prefix A/1 - A/13
BNB #:
B108a
Pick #:
P9
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for 12 DE SETEMBRO DE 1984 Sig 4: Viera/Monteiro/Gomes Prefix A/1 - A/13
Body: Referring page: http://beta.greysheet.com/prices/item/12-de-setembro-de-1984-sig-4-viera-monteiro-gomes-prefix-a-1-a-13/gsid/107093 GSID: 107093 Title: 12 DE SETEMBRO DE 1984 Sig 4: Viera/Monteiro/Gomes Prefix A/1 - A/13
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
12 DE SETEMBRO DE 1984 Sig 4: Viera/Monteiro/Gomes Prefix A/1 - A/13
Value By Grade
12 DE SETEMBRO DE 1984 Sig 4: Viera/Monteiro/Gomes Prefix A/1 - A/13
Banknote Book values
Currency
Grade Range
Sort by
Pricing
24-9-1975 Sig 1: Monteiro/Cabral/Mendes Series A001 - K002 Intro: 02 03 1976
Worth: $4 – $65
Vertical red SPECIMEN No # ovpt front/back; all-zero s/n
24-9-1975 Sig 1: Monteiro/Cabral/Mendes Series A001 - K002 Intro: 02 03 1976
Worth: $3 – $40
Vertical red SPECIMEN No # ovpt front/back; all-zero s/n
24-9-1975 Sig 1: Monteiro/Cabral/Mendes Series A001 - Z001 Intro: 02 03 1976
Worth: $18 – $275
Vertical red SPECIMEN No # ovpt front/back; all-zero s/n
28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - C/1
Worth: $1 – $18
Diagonal red ESPÉCIME ovpt front/back; horizontal red # ovpt lower right; all-zero s/n
Replacement: Prefix Z/1 Unconfirmed
28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - C/1
Worth: $2 – $30
Diagonal black SPECIMEN ovpt front/back; all-zero s/n
Horizontal SPECIMEN / OF NO VALUE perf; all-zero s/n
Diagonal black SPECIMEN and DLR oval ovpts; horizon black SPECIMEN No # ovpt lower left; all-zero s/n
Replacement: Prefix Z/1 Unconfirmed
28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - D/1
Worth: $2 – $6
Greysheet News
Greysheet Offers Former Numismaster Subscribers 3 Months Free Subscription
8/10/2026
Special Quarters Headed for Circulation
The search is on for special quarter dollars that will be placed in circulation by the United States Mint as part of the nation's Semiquincentennial celebration.
8/10/2026
The Business of Numismatics: August 2026 Greysheet Editor's Letter
With the month of July and all the celebrations of Independence Day behind us, the rare coin market looks with anticipation to August.
8/7/2026
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