UN New York stamp collection No. Yvert and Tellier 605/606 Mint never hinged

UN New York stamp collection Yvert and Tellier No. 605/606 Mint without hinge: Treasure of world heritage. Tribute to the efforts of U.N.E.S.C.O. La Maison du Collectionneur would like to suggest this album which will allow you to store and preserve your precious acquisitions.