British and Scottish Coins and Countermarked Tokens from the Collection of the late Arthur Chesser

Mary (1542-1567), Fifth period, Two-Thirds-Ryal, 1567, mm. thistle on rev. only, 20.14g/11h (S 5430). Well-struck on a full round flan, good very fine with old cabinet tone £800-1,000

The coin is Fifth period, the only reference is S 5430