1866, cash paid foreign countries accompanying letter for parcels with box cancel of 2 lines \"STETTIN 17 12\" together with red single circle postmark \"STETTIN F. N1 17 / 12 66\" and package accompanying slip of paper \"816 from Stettin\" to Vernex Montreux / Switzerland at the Lake Geneva. Envelope reverse insignificant small defect in the upper flap, otherwise impeccable document. It is the earliest known letter with this Franco cancel, which was introduced on 15.12.1866. Beautiful piece and particularly attractive as a foreign item