Mary (1542-1567), Fourth period (with Henry Darnley), Ryal, 1566, mm. thistle on rev. only, 29.96g/1h (SCBI 35, 1122; SCBI 58, 1172ff; B 5, fig. 905; S 5425). Slightly weak, about very fine and toned; scarce without countermark £800-£1,000