Whitman Expo
CAC approved and CACG encapsulated coins fared well in public sales during the month of July 2026.
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Obverse Description
Portuguese text; ancestral totems of man and topless woman; Francisco Mendes; coat of arms; flame registration device
Reverse Description
Portuguese text; flame; slave trading on beach with sailing ships in harbor
Catalog Information
GSID:
107082
Variety:
28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - D/1
BNB #:
B106a
Pick #:
P7
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To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for 28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - D/1
Body: Referring page: https://www1.greysheet.com/prices/item/28-de-fevereiro-de-1983-sig-3-gomes-monteiro-maria-prefix-a-1-d-1/gsid/107082 GSID: 107082 Title: 28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - D/1
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Bank Note Value History
28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - D/1
Value By Grade
28 DE FEVEREIRO DE 1983 Sig 3: Gomes/Monteiro/Maria Prefix A/1 - D/1
Banknote Book values
Currency
Grade Range
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Pricing
Values
Banknote Book (CPG) Values
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
Diagonal black SPECIMEN ovpt front/back; all-zero s/n
Greysheet News
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8/18/2026
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This issue of Red Book Quarterly comes amidst the thick of a rare coin bull market.
8/17/2026
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Tuesday, June 2, 2026
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Wednesday, June 3, 2026