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| 表面の説明 | Black intaglio engraving on white paper. The upper register carries the heading 'Guernsey' flanked by two oval counters inscribed 'ONE', with a central vignette of allegorical figures — a standing female figure to the left and a seated male figure to the right, surrounding a crowned shield. A handwritten date appears below the heading, with manuscript serial numbers at lower left and right. The lower register bears the issuer's name 'THE STATES OF GUERNSEY' in bold letterpress above a promise-to-pay text in script, with 'One Pound' in large ornate lettering, and a decorative 'ONE' counter at bottom centre flanked by manuscript signatures. |
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| 表面の銘文 | Guernsey THE STATES OF GUERNSEY Promise to pay the Bearer One Pound on the first October 1828 BY AUTHORITY OF THE STATES ONE |
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Perkins, Bacon & Petch had by the late 1820s refined Jacob Perkins's siderographic transfer process, which allowed intricate engraved designs to be reproduced with exceptional fidelity from a master die — a technology specifically developed to defeat the era's endemic forgery problem. Guernsey's adoption of this printer placed the island ahead of many larger issuers still relying on conventional copperplate methods.
The States of Guernsey operated outside the Bank of England's authority, and these notes circulated in a jurisdiction that maintained its own distinct currency arrangements well into the twentieth century. The 1827–1828 window is narrow; the series was short-lived.