CAMBODIA. Quartet of 10000 & 5000 Riels (4 Pieces), 1974. All NGC Certified. 1) 10000 Riels. President Lon Nol. PROOF-69 Ultra Cameo. Mintage: 800.2) 10000 Riels. Celestial Dancer. PROOF-67 Ultra Cameo. Mintage: 800.3) 5000 Riels. Temple of Angkor Wat. PROOF-67 Ultra Cameo. Mintage: 800.4) 5000 Riels. Cambodian Dancers. PROOF-68 Ultra Cameo. Mintage: 800.