San Salvador, El Salvador, Banco Central de Reserva, 10 colones, 17-3-1954, series ZA, certified WBG UNC Choice 64 TOP. SCWPM-88. Serial 0863252, with validation stamp dated 20-9-1957. Deserving of both grade and TOP designation (Totally Original Paper). WBG #0132972. Acquired from Kay Phillipsen (San Salvador) ca. 1977. (Estimate: $300 - 450)