Two vertical black SPECIMEN stamps front/back; diagonal SPECIMEN perf; all-zero s/n 20 francs Values

Banknote Book Price Guide

Sponsor

shop eBay

Sponsor

shop

Sponsor

shop Stacks Bowers Auctions

Sponsor

shop David Lawrence Rare Coins

Sponsor

shop Great Collections

Two vertical black SPECIMEN stamps front/back; diagonal SPECIMEN perf; all-zero s/n 20 francs Values

Details

Obverse: Red GUYANE overprints in three margins; French text; four African natives outside rustic houses; Émile Gentil wearing military cap and jacket

Reverse: Red GUYANE overprints in three margins; French text; two African males along riverbank

Basic Information

GSID:

102667

Denomination:

20 francs

Varieties and Classification

Variety:

Two vertical black SPECIMEN stamps front/back; diagonal SPECIMEN perf; all-zero s/n

Physical Characteristics

Design Details

Note Color:

Brown, green, yellow, and red

Note Dimension:

130 x 70 mm

Printer:

(Banque de France)

Dealer Directory

View All Dealers

Greysheet News

View All News
United Arab Emirates. New Gold and Silver Proof Coins Celebrates Unique AI University
United Arab Emirates. New Gold and Silver Proof Coins Celebrates Unique AI University
2/20/2026

The Central Bank of the UAE issue gold and silver commemorative coins marking five years of the MBZUAI.

Canada. Latest Silver Proof and Colour Coins Launch New National Parks Series
Canada. Latest Silver Proof and Colour Coins Launch New National Parks Series
2/19/2026

The Royal Canadian Mint launch a new silver proof coin series focusing on exceptional natural beauty.

NCBA Leads Multi-State Fight to Protect Coin & Bullion Tax Exemptions
NCBA Leads Multi-State Fight to Protect Coin & Bullion Tax Exemptions
2/19/2026

Campaigns have begun in Maryland, Nebraska, New York, Virginia, and Washington state.