Mauritius
British Colony. Victoria Proof 10 Cents 1877 PR63 NGC, Royal Mint, KM10.1, plain edge. All of the 1877 Royal Mint issues were struck only in Proof. Mottled gray and black toning with bold strike and underlying mirrored fields. Ex. Spink auction 6032, November 29, 2006, Lot 607, where it sold for $1,131. A very rare issue.
HID02901242017
Estimate: 800-1000 USD