Auction Series 257-264 in Zurich Day 4

Liannos Private Post, Postage Dues 1866: (20 pa.) black on rose-pink paper, 4th printing (without horizontal line between 'Taxe Ext: and Taxe Int:'), the famous used horizontal pair, each Postage Due label with manuscript '1' in ink and total below each of 1.20 for a 3 piastres total charge, cancelled by oval "Galata" datestamp in black. Slight thin and closed cut between the stamps at base but extraordinarily rare, believed to be the sole recorded used multiple from any of the Settings. Cert. RPSL (1972).rnProvenance: Collection Gordon Torrey, Corinphila sale 99, June 1997, lot 9661.
Catalogue 257: EUROPE & OVERSEAS