Whitman Expo
Nearly 100 Collectible Bitcoins to Cross the Auction Block on Saturday, September 5.
Thank you to our sponsors!
Go check them out!
Obverse Description
English text; cotton tree and Law Court building in Freetown
Reverse Description
English text; coat of arms; men working in alluvial diamond mine in Hangha; diamond in the rough
Catalog Information
GSID:
133845
Variety:
Sig 4 Prefix A/9 - A/12 Intro: 1970
BNB #:
B101c
Pick #:
P1
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for Sig 4 Prefix A/9 - A/12 Intro: 1970
Body: Referring page: http://beta.greysheet.com/prices/item/sig-4-prefix-a-9-a-12-intro-1970/gsid/133845 GSID: 133845 Title: Sig 4 Prefix A/9 - A/12 Intro: 1970
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
Sig 4 Prefix A/9 - A/12 Intro: 1970
Value By Grade
Sig 4 Prefix A/9 - A/12 Intro: 1970
Banknote Book values
Currency
Grade Range
Sort by
Pricing
No date Sig 1 Prefix A/1 - A/6 Intro: 04 08 1964
Worth: $3 – $10
Sig 3 Prefix A/7 - A/8 Intro: 1969
Worth: $5 – $80
Diagonal red SPECIMEN ovpt front/back; all-zero s/n
Worth: $225 – $225
Horizontal CANCELLED perf; all-zero s/n
Worth: $200 – $200
Diagonal red SPECIMEN and DLR oval ovpts front/back; horizontal red SPECIMEN NO # ovpt lower left front; all-zero s/n
Worth: $250 – $250
Replacement: Prefix Z/1 Unconfirmed
No date Sig 1 Prefix B/1 - B/21 Intro: 04 08 1964
Worth: $5 – $90
Sig 2 Prefix B/22 - B/25 Intro: 1967
Worth: $10 – $150
Sig 3 Prefix B/26 - B/30 Intro: 1969
Worth: $14 – $225
Sig 4 Prefix B/31 - B/41 Intro: 1970
Worth: $6 – $100
Diagonal red SPECIMEN ovpt front/back; all-zero s/n
Worth: $225 – $225
Diagonal red SPECIMEN and DLR oval ovpts front/back; horizontal red SPECIMEN NO # ovpt lower left front; all-zero s/n
Worth: $250 – $250
Horizontal SPECIMEN / OF NO VALUE perf; all-zero s/n
Worth: $225 – $225
Diagonal red SPECIMEN and DLR oval ovpts front/back; horizontal red SPECIMEN NO # ovpt lower left front; all-zero s/n
Worth: $250 – $250
Horizontal SPECIMEN / OF NO VALUE perf; all-zero s/n
Worth: $225 – $225
Greysheet News
Physical Bitcoin Takes Center Stage This Labor Day Weekend at Stack's Bowers Galleries
8/31/2026
Whitman Publications Win Three 2026 NLG Awards
Whitman Brands walked away with a trio of honors during the annual Numismatic Literary Guild awards, held during the American Numismatic Association World's Fair of Money in Pittsburgh.
8/31/2026
![Red Book Podcast: Numismatic Education for Today's Generation [Video]](https://images.greysheet.com/l/blogs/20260828/b4d9283d-3087-4fbc-b0f4-677f1a9fe462.jpg)
Red Book Podcast: Numismatic Education for Today's Generation [Video]
Red Book Podcast Featuring Jeff Garrett and Christian Strayhorn.
8/28/2026
Events
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, July 1, 2026
Heritage Auctions: World & Ancient Coins Wednesday & Thursday Select Auction
Location: Heritage Auctions
Thursday, July 2, 2026
