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| 表面の説明 | Printed entirely in green on white paper with a fine letterpress guilloche border and a repeated watermark-style underprint of the issuer's name across the field. At the top centre, an oval vignette contains an anchor and maritime emblems beneath an all-seeing eye motif, flanked by the full issuer legend. The denomination UN FRANC is printed in large bold type at centre, with two circular text panels at left and right detailing the ministerial authorisation and the anti-counterfeiting warning respectively. Two red numeral '1' corner pieces appear at lower left and right, above the serial number and series letter printed in black. |
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| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | ログイン して詳細を見る |
| 裏面の銘文 | ログイン して詳細を見る |
| 署名 | ログイン して詳細を見る |
| 偽造防止技術 | Watermark |
| 偽造防止の説明 | ログイン して詳細を見る |
| バリエーション | ログイン して詳細を見る |
| コメント |
French chambres de commerce were authorized to issue emergency fractional notes in August 1914 as the mobilization crisis drained metallic coin from circulation almost overnight. Boulogne-sur-Mer, as a major Channel port, felt that drain acutely — the volume of troop and supply movement through the town in those first weeks made small-denomination liquidity an immediate practical problem, not an abstract monetary one.
The JP#31-12 reference places this within the Pirot-Jodet corpus of French nécessité issues. Watermarked paper was the primary anti-counterfeiting measure for most chamber issues of this period, security printing being both expensive and slow to arrange under wartime conditions.