TURKEY - MELLING - ISTANBUL - "View of KEFFELI-KIEUI and part of BUYUK-DERE." 1819. Etching engraved by Cardano, finished by Née, after Antoine Ignace MELLING (1763–1831). Proof with letter, on vellum paper. Plate from the series "Picturesque Journey through Constantinople and the Shores of the Bosphorus, based on drawings by Mr. Melling, architect to Emperor Selim III and draftsman to the Sultana Hadidge, his sister." Margins. 65 x 98.5 cm. Condition B/C (trace of an original vertical center fold reinforced on the reverse, a few light foxing spots, short tears, and creases in the margins).