1 and 7 Kr. Perforated, together on insured letter, with Prussia single circle postmark \"low FLORSTADT 4 3 71\" to Duedelsheim (arrival cancel) by Buedingen. The 1 Kr. Stamp at the bottom perforation fault. Reverse 2 Kr. Ordering money written down and five red varnish seal. Ex collection Spalink, expertized Spalink BPP