1 and 7 Kr. perforated, together on insured letter, with Prussia single circle postmark "low FLORSTADT 4 3 71" to Düdelsheim (arrival cancel) by Büdingen. The 1 Kr. stamp at the bottom perforation fault. Reverse 2 Kr. delivery fee written down and five red varnish seal. Provenance collection Spalink, expertized Spalink BPP