Switzerland Scott #11O1-11O4 FIRST DAY COVER WIPO World Intellectual Property $$
Switzerland Scott #376-377 COVER OVPT Reunion des PTT on European Unity $$
Switzerland Scott #3O103 FIRST DAY COVER Visit of Pope Paul VI on ILO $$
Switzerland Scott #470 FIRST DAY COVER World Figure Skating Championships $$
Switzerland Scott #530 COVER SHOW CANCEL NABA 1971 Stamp EXPO $$
Switzerland Scott #623 COVER FLOWN Zurich to Cairo $$
Switzerland Scott #634 COVER Lausanne Orchid EXPO $$
Switzerland Scott #758 COVER Swiss Radio Int'l 50th ANN $$
Switzerland Scott #7O34-7O37 FIRST DAY COVER Philatelic Museum $$
Switzerland Scott #7O39-7O40 FIRST DAY COVER UNCSAT Applied Science $$
Switzerland Scott #803-807 FIRST DAY COVER AVIATION OTHER SUBJECTS $$
Switzerland Scott #9O14 FIRST DAY COVER Int'l Reply and Notif. Service UPU $$
Switzerland Scott #9O15 FIRST DAY COVER Post NET System UPU $$
Switzerland Scott #B406-B409 FIRST DAY COVER Archaeological Treasures $$
