CAMBODIA. 10, 20 & 50 Centimes Essai Set, 1953. PCGS SP-67 Secure Holder.KM-E9-E11; Gad-33-35; Lec-148, 151 & 154. 3 pieces in set. Struck in aluminum. Each with a mintage of only 1,200 pieces. Should be closely examined. All in PCGS Secure Holders.SP-67, SP-68 & SP-67.