Γράμμα από την Σέρρες προς Σαράγεβο, 1854 1854 (April 26): Entire letter from Serres to Sarajevo, via Semlin and Vienna struck with SERRES / APR. 20 handstamp of despatch in black (Tchilinghirian fig. 616), endorsed in Serbian on reverse 'forwarded from Vienna May 1, 1854, by your good friend Christos Teshov', thence via Semlin disinfection station with superb NETTO DI FUORI ET DI DENTRO cachet in black. A wonderful entire and very rare.