Auction Series 257-264 in Zurich Day 2

1870: Cover from Trebizonde to London, bearing Siège 40 c. orange in mixed franking with horizontal pair of Cérès 1872 10 c. brown, all tied by crisp Gros Chiffres '5100' numeral lozenges in blue, cogwheel "TREBIZONDE 9 OCT 75 TURQ. D'ASIE" cds and framed PD, both in the same blue as well as "LONDON PAID 21 OC 75" cds in red alongside. Reverse with Constantinople and Marseille transit cds's. An appealing cover, correct rate to Great Britain, as France and its Levant Offices had not yet joined the General Postal Union, while the United Kingdom did. Signed Calves and Papadopoulos Paris.
Catalogue 260: Italy, France and European Countries