30 Mark posthorn blackish brown, 5 horizontal pairs as scarce properly franked multiple franking on international letter from LEIPZIG 29.6.23 to Schwyz (Ank. cancellation), photo expertize Winkler BPP "genuine, 2. pair from left corner perforation defect, otherwise all pairs very well perforated, letter above cut in and slight traces of transport, in total good condition", Michel 1.000.- plus