Heinrich Köhler 383rd Auction – Day 1 - Single Lots: Europe and Colonies, incl. Great Britain and British Commonwealth, Overseas countries

1875, cover from St. Thomas to Puerto Plata, Dominican Republic, struck with Jürgens & Co. cachet at left, posted from the Danish Post Office with ST. THOMAS c.d.s. (1 Jul) in black, carried on the Steamer “Maracaibo” and franked by top marginal HAPAG 1875 10c black, blue-green & yellow, cancelled by target handstamp in black, steamer endorsement “Maracaibo” crossed-out upon arrival in San Juan and altered to the “Mersey”, the letter prepaid with Great Britain 1865 4 d. vermilion pl. 14 boldly tied by "C61" obliterator in black with 'Porto Rico' cds below (4 Jul), thence to Puerto Plata (internal docketing of receipt July 7), small tear in “to” or “Porto”, trivial imperfections of no importance given the immense rarity of this extraordinary combination usage; signed Alberto Diena. 
Provenance: 
Collection Julius Steindler, Robson Lowe, Basel, 14 March 1972, lot 555; David Feldman, Zurich, 16-22 Oct 1983, lot 32608;Collection “Dubois”, Corinphila, June 2021, Lot 4117