2 Heller, 12 Heller, 20 Heller (block of four) and 25 Heller, as well 10 Heller on the back in mixed franking, special edition to the 80. birthday Emperor Franz Joseph, on properly franked insured letter over 2.500.- coronas from Pilsen to Staab for a open abandoned insured letter with 25 banknotes to 100 coronas, cancelled by black double circle postmark "PLZEN 2 * PILSEN 2 18. VIII 10-", therefore use at the first day, all stamps perfect perforations, except for the 25 Heller stamp with perforation irregularities at the bottom, well-centered and fresh colours. the cover is clean inscribed, no tears, neat opening defect above, expertized Ferchenbauer and photo expertize Dr. Ulrich Ferchenbauer VOEB (2017) "untreated and fresh superb item