Special Postmark (Poststempel): 7742 Poschiavo 1973 /
Definitive stamp 1970 10c Michel #933, Yvert #861
Definitive stamp 1970 20c Michel #934, Yvert #862

Postcard Publisher (Verlag): Stump & Co

Illustration: The Baltschieder Hut, a mountain hut of the Swiss Alpine Club, located near the Bietschhorn mountain.

Note: Wrinkle in the upper side.