George IV (1820-30), Sovereign (3), 1826, 1829, 1830, bare head left, rev. crowned square topped shield, Half-Sovereign, 1828, extra tuft of hair to left of ear, rev. crowned square topped shield (Marsh 11, 14, 15, 409A; S.3801, 3804A), all about fine (4).
Estimate: £800.00 - £1,000.00