Morteratsch Glacier (Morteratschgletscher) in Bernina Range of the Bündner Alps in Switzerland. It is the largest glacier found in Bernina Range but threatened by global climate change. Thanks Vre.
This card was sent with a charity stamp of 1983 (70 + 30) and a definitive stamp (1.20). They are cancelled with a pictorial postmark of Luzern 6000 on 23.6.2010.