France
Napoleon III gold 10 Francs 1858-A, KM784.3, MS64 NGC. Paris, (A), mint and Bare Head type. This coin is very common in lower grades, yet when certified this high, sells for a strong price. Krause catalog price(s) for this item: $100 in EF, $325 in UNC, $550 in BU.
Estimate: 500-600 USD