Auction Series 257-264 in Zurich Day 4

1864 (Aug 15): Cover from Islimiye/Sliven to Ruse/Rustchuk bearing Tughra Postage due 1 pi. & 2 pi. black on red-brown thin paper, two fine and fresh single examples with good to huge margins all round, tied by bold strikes of dotted RUSCUK handstamps in black (Coles & Walker fig. 60). Two filing folds well away from stamps and postmarks, an impressive item from the well-known Zlatov correspondence.rnProvenance: 'The Imperial Collection', Köhler sale 361, Sept. 2015, lot 504.
Catalogue 257: EUROPE & OVERSEAS