1880 stampless prepaid Registered cover from Philippopolis to Tsarigrad (Constantinople), struck with straight-line FRANCO over bilingual "Filippopel/Plovdiv" pmk, "Recommandee" in green, with Constantinople arrival on back, cover repaired on both sides, fine appearance, with 2015 Greg Todd certificate (Image)

Est.US$750

1880 stampless prepaid cover from Philippopolis to Constantinople, struck with straight-line FRANCO, just above bilingual "Filippopel/Plovdiv" (29 May, Julian) pmk in blue, with Constantinople arrival (12 June, Gregorian) on back, fine, with 2015 Greg Todd certificate (Image)

Est.US$750

1881 (29 Nov) cover franked with horizontal pair of 5pa and single 10pa (Mi.6A,7A), tied by circular grids and used from Kazanluk to Karnobat, with bilingual departure pmk below, cover roughly opened at right, with 2015 Greg Todd certificate (Image)

Est.US$750

1881 (19 Apr) FL to Plovdiv, franked with horizontal pair of 10pa perf. 13 1/2, tied by purple bar provisional cancelation of Klisoura, which at that time did not have a proper postal datestamp. All accepted mail received a provisional cancelation of bars, or was obliterated by ink. Afterwards, all mail was directed to the post office in Karlovo, which had a "Pochta Karlovo" departure pmk, A fine and rare postal history item, only a few covers from Klisoura with provisional cancelation are known, with 2016 Thomas Hitzler certificate (Image)

Est.US$1,500

1883 stationery card franked with 10pa, canceled by blue bars, with bilingual "Slivno/Sliven" departure pmk alongside, addressed to Burgas, with bilingual arrival pmk on back (Image)

Est.US$200

1884 small mourning cover franked with 5pa lilac & blue lilac (Mi.11B), tied by blue barred pmk, supported by bilingual "Plovdiv / Philippopolis" pmk, addressed locally "in town" with Poste Local triangular Philippopolis handstamp at bottom, fine cover, with 2014 Greg Todd certificate (Image)

Est.US$300

1884 (12 June) large cover (slightly reduced) addressed to "Said Pacha Grand Vizier de l'empire Ottoman, Constantinople", with bilingual Plovdiv/Philippole departure pmk, with large wax seal on back and Constantinople arrival pmk, cover wear and minor faults, impressive destination, with 2015 Greg Todd certificate (Image)

Est.US$1,500

1887 cover (opened for display) sent unpaid to Constantinople during period of non-recognition of Eastern Rumelia/South Bulgaria adhesives by the Turkish Post Office, struck on departure by "T.Pazarcik" cds in blue (6.VI.87) and "T", also in blue at upper left, with circular Turkish "T" in black and taxed on arrival with the addition of Turkish 1884 1pi blue, tied by Constantinople cds, Stamboul pmk alongside, fine cover, with 2014 Greg Todd certificate (Image)

Est.US$400

1887 pink cover (slightly reduced at right) sent unpaid to Constantinople during period of non-recognition of Eastern Rumelia/South Bulgaria adhesives by the Turkish Post Office, struck on departure by bilingual "Plovdiv/Philippople" cds in blue (10.I.87) and "T", also in blue at lower right, with circular Turkish "T" in black and taxed on arrival with the addition of Turkish 1884 1pi blue, tied by Constantinople cds, "Stammbaum Arrivee" pmk alongside, fine cover, with 2015 Greg Todd certificate (Image)

Est.US$400

1885 seven different unused postal cards, each with unused adhesive, also two unused Reply Cards overprinted "Franco", mostly fine-v.f. (Image)

Est.US$300