Fifty love letters Leonard Cohen to an ex wrote to be auctioned. All the writings are in the course of June, auctioned at the famous Christies in New York. Cohen, who three years ago died, sent the letters a half century ago Marianne Ihlen, who at the time the source of inspiration was for the track ” So Long, Marianne. The two had around 1961 a short relationship. However he continued to her a decade to send letters.