Foreign Post Offices
cover 1841-61 stampless entires or entire letters from Constantinople, sent through the French P.O. (12) showing large (5) or small (7) c.d.s., Austrian P.O. (2) one showing slanting two-line d.s. (1846) and Greek P.O. showing a fine strike of the large c.d.s. in blue (1852), six show disinfection h.s. (4 Malta, 2 Semlin). Some with creases or tears
细节
cover 1841-61 stampless entires or entire letters from Constantinople, sent through the French P.O. (12) showing large (5) or small (7) c.d.s., Austrian P.O. (2) one showing slanting two-line d.s. (1846) and Greek P.O. showing a fine strike of the large c.d.s. in blue (1852), six show disinfection h.s. (4 Malta, 2 Semlin). Some with creases or tears