Auction 265th - 273rd - Day 5

1868 (June 20): Cover from Belgrad to Vienna, franked with 1867 coarse whiskers 5 s. red, a fresh and fine single, tied by clear "BELGRAD 20 / 6" cds in black (Tchilinghirian fig. 664). Reverse with WIEN arrival datestamp (June 23). An interesting item, Belgrad was the only Levant post office using them.