Watch List notes:

SCOTTISH COINS, Mary (1542-1567), First period, Testoon, 1558, type IIIb, mm. crown on rev. only, no annulets in field, a added to right of shield, stop after date on rev., 5.77g/11h (SCBI 35, –; SCBI 58, 353; B –; S 5408). Fine or better but cleaned and waterworn (?), very rare £200-300

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The mintmark A was added for the engraver John Achesoun