Great Britain
George III gold 1/3 Guinea 1803 MS63 PCGS, KM648, S-3937. First head. Sharply struck with minimal contact mark. Some milky tone on the obverse, but prooflike brilliance appears underneath. The single finest certified at PCGS for the date. Krause catalog price(s) for this item: $140 in VF, $350 in EF, $525 in UNC.
Estimate: 600-800 USD