France
Charles X gold 40 Francs 1830-A, KM721.1, AU55 NGC. Paris, (A), mint. Ex-Damon Collection. A pleasing example, far better than most of the type. AGW 0.3734 oz. Krause catalog price(s) for this item: $1250 in VF, $2000 in EF, $4050 in UNC.
Estimate: 550-650 USD