拍品描述： x Victoria (1837-1901), Proof Half-Sovereign, 1839, En Medaille, by W. Wyon, young diademed head left, with two plain fillets, no initials on truncation, rev. crown and lightly garnished shield, edge plain, 3.87g [60.0grns], 1h (W&R 343; Spink 3859), cabinet friction, hairlines and spotting in otherwise brilliant fields, all cloaked with a subtle but aged cabinet tone, the imperious Victorian visage handsomely cameo, a pleasingly bold extremely fine, very rare and highly prized in todays marketplace