Brazil
Pedro II 100 Reis 1835, KM452, MS64 NGC. A key coin with a mintage of around 3,500 pieces. A bright white example with just this coin being certified this highly. Krause catalog price(s) for this item: $45 in VF, $85 in EF, $150 in UNC, $200 in BU.
Estimate: 400-500 USD