Whitman Expo
This issue of Red Book Quarterly comes amidst the thick of a rare coin bull market.
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Obverse Description
Portuguese text; white priest with cross sitting under tree with seven seated black men; Padre António Barroso
Reverse Description
Portuguese text; coat of arms; TRATADO DE SIMALAMBUCO 1885 (1885 Treaty of Simulambuco); officials in the N’Goyo Kingdom of Cabinda presenting treaty to representatives of the Portuguese government armed with swords and rifles; sailing ship
Catalog Information
GSID:
85255
Variety:
Diagonal red SPECIMEN ovpt front/back; no s/n
BNB #:
B408as
Pick #:
P78
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To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Diagonal red SPECIMEN ovpt front/back; no s/n
Body: Referring page: https://www2.greysheet.com/prices/item/diagonal-red-specimen-ovpt-front-back-no-s-n-b408as-85255-world-paper-money-values/gsid/85255 GSID: 85255 Title: Diagonal red SPECIMEN ovpt front/back; no s/n
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Pricing Data Not Yet Available
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Request Pricing 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
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Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
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Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, June 3, 2026