Order no. 599
Small cover from 26.05.55 from Immensee over Küssnacht, Lucerne to Adligenswil LU with blue lozenge on 10 Rappen bisects. Extremely rare: bisects of the 23 A1! Silk thread slightly pulled out. Good condition. Photo expertize Hermann, following Keller = no. 3.1.45.
Let me know, when this items is available again.