État du lot:
Normal (avec des signes d'utilisation normale)
DM)1963, HELVETIA, LETTER SENT TO U.S.A, AIR MAIL, AUTO SHOW, WITH STAMPS SERIES OF CURRENT USE, BRI
DM)1963, HELVETIA, LETTER SENT TO U.S.A, AIR MAIL, AUTO SHOW, WITH STAMPS SERIES OF CURRENT USE, BRIDGE AND WATER TOWER, LUCERNE, XF