État du lot:
Normal (avec des signes d'utilisation normale)
SD)1971 SWITZERLAND ON FIRST DAY PROPAGANDA, 934 AND 935, NABA NATIONAL PHILATELIC EXHIBITION, BASEL
SD)1971 SWITZERLAND ON FIRST DAY PROPAGANDA, 934 AND 935, NABA NATIONAL PHILATELIC EXHIBITION, BASEL, REGISTERED WITH NUMBER 039 BASEL, XF