Panama, silver 1 centesimo, 1953, Republic Anniversary off-metal strike issue, encapsulated NGC PF 66 Ultra Cameo, rare, ex-Richard Stuart (stated inside slab). KM-PnB4. Virtually flawless mirror fields but one tiny nick on chin, still tied with one other for finest known in NGC census. NGC #4427875-012. Pedigreed to the Richard Stuart collection. (Estimate: $200 - 300)