1951/99: Collections and lot hundreds stamps used/unused of Cambodia and Laos from the first definitives, in addition Laos early issues of 1951/52 definitves and Airmail stamps as well as postage due, each stamp printed in a miniature sheet put together in a booklet, entitled 'UNION FRANCAISE ROYAUME DU LAOS - PREMIERE EMISSION NATIONALE DE TIMBRES-POSTE'.