cover 2Kr. yellow-orange irregular block of five, affixed to reverse of large part 1874 (15 Nov.) envelope (opened out for display) registered to Budapest, additionally bearing 1874 5Kr. red (2, applied slightly overlapping) on front, all cancelled by "CSORNA/SOPR.M" c.d.s.; despite the faults to the envelope, the adhesives are in fine condition. A rare mixed franking combination. Photo