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 fault, otherwise all pairs very well perforated, letter above cut in and slight transport traces, in total good condition", Michel 1.000.- plus