cover 20Kr. grey compound perf.13½x11½x13x11½, affixed to 1881 (30 July) inland rate XU5 registered to Fürth,(addressee unknown and returned to Herczeglack via Vienna), cancelled by "HERCZEGLAK" c.d.s. and showing German registration label of Regensburg adjacent. Reverse with transit and arrival c.d.s. Rare. Photo