Stamps & Covers of the World

LEVANTE: CORREO AUSTRIACO. Mi.5. 1870 (Feb.). Cover from CONSTANTINOPLE to BUCHAREST franked by 1867/74 15s. brown cancelled in transit solely by P.D. in blue with repeated strike at right. Reverse with VARNA thimble cancellation, Giurgiu transit cds (Feb 18) and Bucharest arrival cds. A few faults but a RARE and most unusual usage, probably posted on board the Steamer.