Laos: Lot of proofs of 17 commemorative issues released during 1964-67 included imperforated proofs and deluxe proofs. Deluxe proofs included "Nubian Monuments Preservation (UNESCO)", "People of Laos", "20th Anniversary of UN", etc. Imperforated proofs included "Neutral and Constitution Laos", "Phra Vet Legend", "Butterflies and Moths", etc. Totally 63 pieces. Unmounted mint. Mostly very fresh and very fine. Inspection suggested. VF.(1 lot)