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Obverse Description
French text; lion faces in corners
Reverse Description
French text; ornate border; black oval stamp BANQUE DE LA GUYANE CAYENNE with serial number
Catalog Information
GSID:
102628
Variety:
Sig Buy (handwritten)/Constantin (35 mm)
BNB #:
B215d
Pick #:
P11C
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Subject: I would like to contribute catalog info to CDN for Sig Buy (handwritten)/Constantin (35 mm)
Body: Referring page: http://livetest.greysheet.com/prices/item/sig-buy-handwritten-constantin-35-mm-b215d-102628-world-paper-money-values/gsid/102628 GSID: 102628 Title: Sig Buy (handwritten)/Constantin (35 mm)
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Bank Note Value History
Sig Buy (handwritten)/Constantin (35 mm)
Value By Grade
Sig Buy (handwritten)/Constantin (35 mm)
Banknote Book values
Currency
Grade Range
Sort by
Pricing
1901 (in law panel lower back) Sig Ravel/Briais Intro: 1911
Sig A Darredeau/Briais Intro: 1914
Sig Rollet/Briais Intro: 1919
Sig Poulet/Briais Intro: 1922
Sig Michel/Briais Intro: 1930
Sig Vivien (handwritten)/Briais Intro: 1932
Sig Lamer/Briais Intro: 1933
Worth: $90 – $275
Sig Halleguen/Briais Intro: 1939
Worth: $50 – $50
Sig Halleguen/Constantin (55 mm) Intro: 1942
Worth: $35 – $100
Sig Halleguen/Constantin (35 mm) Intro: 1944
Sig Buy/Constantin (35 mm) Intro: 1946
Worth: $60 – $500
Uniface; no sig ; no ovpt; s/n W 24 000
No date Sig Eggimann/Prud’homme/Barouche Intro: 1890
No sig ; no ovpt; no s/n
No date Sig Vivien/Briais/Unknown Intro: 1909
Greysheet News
![Greysheet Podcast: RARE COIN MARKET EXPLODING! Ian Russell Reveals the Coins Collectors Are Buying NOW [Video]](https://images.greysheet.com/l/blogs/20260918/1dc72704-e5bd-44bf-ad3d-7f11027ec440.jpg)
Greysheet Podcast: RARE COIN MARKET EXPLODING! Ian Russell Reveals the Coins Collectors Are Buying NOW [Video]
9/18/2026
Carthage Gold Stater Leads Heritage's LII Collection Ancient Coins Auction to $823,683
Heritage's Sept. 8 Ancient Coins Showcase Auction achieves 100% sell-through rate as Greek, Ptolemaic, Macedonian and Judaean rarities deliver strong results.
9/17/2026
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
