Great Britain
George IV Shilling 1825 MS64 PCGS, KM694, S-3812. A couple of old toned-over scuffs to left of the king's face but still one of the best of these to be found. Krause catalog price(s) for this item: $40 in VF, $150 in EF, $350 in UNC.
Estimate: 400-600 USD