Whitman Expo
On September 1, Stack's Bowers conducted a Rarities Night session in California as part of this firm's post-ANA World's Fair of Money® auction extravaganza.
Thank you to our sponsors!
Go check them out!
Obverse Description
Portuguese text; Padrão monument with cross and coat of arms; BARRAGEM DAS MABUBAS (Mabubas hydro-electric dam in Bengo province); João Carlos de Brito Capelo
Reverse Description
Portuguese text; herd of sable antelopes in field with birds in flight and trees in distance
Catalog Information
GSID:
85304
Variety:
15 de AGOSTO de 1956 Sig 8: Alves/Saldanha/Duarte Prefix 1 - 10 Intro: 1958
BNB #:
B417a
Pick #:
P91
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 15 de AGOSTO de 1956 Sig 8: Alves/Saldanha/Duarte Prefix 1 - 10 Intro: 1958
Body: Referring page: http://www.greysheet.com/prices/item/15-de-agosto-de-1956-sig-8-alves-saldanha-duarte-prefix-1-10-intro-1958-b417a-85304-world-paper-money-values/gsid/85304 GSID: 85304 Title: 15 de AGOSTO de 1956 Sig 8: Alves/Saldanha/Duarte Prefix 1 - 10 Intro: 1958
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
15 de AGOSTO de 1956 Sig 8: Alves/Saldanha/Duarte Prefix 1 - 10 Intro: 1958
Value By Grade
15 de AGOSTO de 1956 Sig 8: Alves/Saldanha/Duarte Prefix 1 - 10 Intro: 1958
Banknote Book values
Currency
Grade Range
Sort by
Pricing
Values
Banknote Book (CPG) Values
1 de Junho de 1927 Sig 1: Leal/Moncada 1A, 2A, 3A Intro: 1928
Worth: $150 – $600
Sig 1: Moncada/Leal 1C, 3C
Worth: $150 – $600
Sig 2: Leal/Faro Prefix 1B, 3B
Worth: $150 – $600
Sig 2: Faro/Leal Prefix 1D, 2D
Worth: $150 – $600
No ovpt; no perf; all-zero s/n
1 de Junho de 1927 Sig 3: Guimaräes/Saldanha Prefix 1F
Worth: $225 – $3,600
Prefix 1H, 3F, 3H
Worth: $225 – $3,600
Sig 4a: Guimaräes/Duarte Prefix 1E, 1G, 2E, 2G, 3G
Worth: $225 – $3,600
Red DLR oval ovpt; horizontal red SPECIMEN No # ovpt lower left; all-zero s/n a2s2 Horizontal CANCELLED perf; horizontal purple SPECIMEN ovpt lower right; all-zero s/n
Purple and green; diagonal red DLR oval ovpt front; all-zero s/n
No sig ; no s/n
Green, brown, and pink; no ovpt; no perf; no sig ; no s/n
1 de Junho de 1927 Sig 1: Leal/Moncada Prefix 1A, 2A Intro: 1928
Worth: $180 – $725
Sig 1: Moncada/Leal Prefix 2C
Worth: $180 – $725
Sig 2: Leal/Faro Prefix 2B
Worth: $180 – $725
Greysheet News
1796 Coin in Post-ANA Auction Rarities Session
11/9/2026
Review Held for Dollars, Comic Art Coins and Medals
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.
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
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