Switzerland
Confederation gold 10 Francs 1916-B, KM36, MS66 PCGS. Bern, (B), mint. A virtually perfect example. None have been certified finer. Krause catalog price(s) for this item: $150 in VF, $165 in EF, $185 in UNC, $220 in BU.
Estimate: 400-500 USD