Stamp collection UNO Vienna number Yvert and Tellier 118/121 MNH

The House of the Collector proposes to you Collection stamps UNO Vienna number Yvert and Tellier 118/121 MNH: ?For a better environment?, under the aegis of E.E.C. (Economic commission for Eurpoe) the House of the Collector makes a point of suggesting you this sorter which will enable you to arrange and to preserve your invaluable acquisitions.