CHILE: Specimen of 50 Pesos (1975) in dark blue and aqua on green and light blue unpt with portrait of Captain Arturo Prat at right. S/N: "A4 0000000 243". Red diagonal ovpt "ESPECIMEN" at center both face and back. WMK: Diego Portales. Printed by CdM-C. Inside holder by PMG "Gem Uncirculated 66 - EPQ". Top grade in PMG. (Pick 151as).