Whitman Expo
In early September, the U.S. Mint began selling bags and rolls of Semiquincentennial one-dollar coins.
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Obverse Description
French text; Karthala volcano crater on Grande Comore; President Saïd Mohamed Cheikh; poem
Reverse Description
Arabic and French text; baobab (Adansonia digitata) tree; shore; nautilus; poem by Mbaye Trambwe
Catalog Information
GSID:
95146
Variety:
Sig 9: Imani/Rioux Prefix H 7-digit s/n Intro: 2020
BNB #:
B309c
Pick #:
P18
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Subject: I would like to contribute catalog info to CDN for Sig 9: Imani/Rioux Prefix H 7-digit s/n Intro: 2020
Body: Referring page: http://www.greysheet.com/prices/item/sig-9-imani-rioux-prefix-h-7-digit-s-n-intro-2020/gsid/95146 GSID: 95146 Title: Sig 9: Imani/Rioux Prefix H 7-digit s/n Intro: 2020
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Bank Note Value History
Sig 9: Imani/Rioux Prefix H 7-digit s/n Intro: 2020
Currency
Grade Range
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Pricing
Values
Banknote Book (CPG) Values
No date Sig 1: Halifa/Dahalani Intaglio Series V 1 - P 2 Intro: 1986
Worth: $1 – $15
Sig 2: Halifa/Abdou Wmk inverted (error) Lithograph Series F 2 - T 3
Sig 3: Halifa/Abdou Wmk correct Series B 04 - E 05
Worth: $3 – $10
Sig 4: Ben Ali/Abdou Series F 05 - F 06
Worth: $3 – $10
Sig 6: Ben Ali/Rioux Series O 06 - V 07
Worth: $3 – $10
No ovpt; no perf; all-zero s/n
No date Sig 1: Halifa/Dahalani Series J 1 - B 2 Intro: 1986
Worth: $18 – $70
BANQUE CENTRALE DES COMORES microprinting in portrait frame Series A 01 - P 03
Worth: $18 – $70
Sig 5: Ben Ali/Rahim Series R 03 - D 04 Intro: 1994
Worth: $18 – $70
Vertical SPECIMEN perf; horizontal red # ovpt front; all-zero s/n
No date Sig 3: Halifa/Abdou Intro: 1996
Worth: $100 – $100
Diagonal red SPÉCIMEN / NO # ovpt front; vertical SPECIMEN perf; all-zero s/n
No date Sig 3: Halifa/Abdou Intro: 1996
Worth: $100 – $100
Horizontal red # ovpt back; vertical SPECIMEN perf; all-zero s/n
2006 Sig 7: Abdoulbastoi/Rioux Paper Prefix A - F 6-digit s/n Intro: 26 08 2006
Worth: $4 – $4
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Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
