Special Postmark (Poststempel): 6600 Locarno 1 1970 + slogan /
Definitive stamp 1968 20c Michel #881, Yvert #818
Postcard Publisher (Verlag): Engelberger
Illustration: Gardens alongside Lake Maggiore in Locarno, Switzerland.
Special Postmark (Poststempel): 6600 Locarno 1 1970 + slogan /
Definitive stamp 1968 20c Michel #881, Yvert #818
Postcard Publisher (Verlag): Engelberger
Illustration: Gardens alongside Lake Maggiore in Locarno, Switzerland.