LAOS. Vatthana Coronation Silver Set (4 Pieces), 1971. All NGC Certified. 1) 10000 Kip. NGC MS-65. KM-12.2) 5000 Kip. NGC MS-66. KM-10.3) 2500 Kip. NGC PROOF-69 Ultra Cameo. KM-8.4) 1000 Kip. NGC MS-69. KM-7.This entrancing and fairly SCARCE set includes the original case of issue and presents great eye appeal. Rather strangely, the 2500 Kip piece is clearly a proof, while the other three appear to have been struck with proof dies, but on planchets that appear matte overall.