10 Pounds Bank of Scotland

W. & A.K. Johnston were primarily known as cartographic and geographic publishers — their involvement in Scottish banknote printing was a natural extension of their high-quality engraving work, though they occupy an unusual place in the history of British note production for that reason. The Bacon partnership came later, reflecting a merger that took place in 1914.

Four distinct signature periods across nearly four decades suggest continuous reissue from a long-running plate rather than fresh designs at each interval. The D. McNeill entries marked "Specimen" indicate at least some production run was retained for archival or exchange purposes rather than released into general use.