Denmark
Christian IX gold Proof 10 Kroner 1877-CS, KM790.1, Fr-296, PR64 NGC. Superb details with deeply mirrored fields and an overall very attractive appearance. Very rare as a Proof striking. Krause catalog price(s) for this item: $190 in VF, $320 in EF, $500 in UNC.
Estimate: 2000-2500 USD