1 Pound

Perkins, Bacon & Petch — later the long-running Perkins, Bacon & Co. — had only recently established their London engraving operation when this note was produced, having relocated from Philadelphia in 1819. Jacob Perkins brought with him his steel-plate engraving process, which was genuinely revolutionary for banknote security at the time: the hardened steel allowed far finer detail than copper and permitted near-unlimited impressions without plate degradation.

Guernsey's fiscal autonomy from the British Crown meant the States could issue their own currency independently of the Bank of England — a privilege they exercised cautiously. The A1 designation suggests this is among the earliest catalogued paper issues for the island.