Scottish Coins, Scotland, Bute, Rothesay, Rothsay Cotton Works; Mexico, Ferdinand VII, 8- Reales, 1821, J.J., Mexico City, obv. circular countermark, ROTHSAY COTTON WORKS, 4/6 1820, point privy mark at base of shield on rev., wt.26.20gms. (Manville 92; KM. CC100), coin fair, countermark about very fine (650-750 GBP)