Watch List notes:

GREAT BRITAIN. George IV, 1820-1830. Sovereign 1826, London. Obv. GEORGIVS IV DEI GRATIA. Bare head left. Rev. BRITANNIARUM - REX FID DEF. Coat of arms. Spink 3801; KM 696; Fr. 377a. AU. 7.98 g. PCGS PR 66 CAM

Extremely rare in this condition, top grade for this type, with only two other graded proof 66 at PCGS and one at NGC.
Certification number: 25696300