Mozart, Wolfgang Amadeus. (1756–1791) Trois Quatuors...Oeuvre XVIII, 3e Livre de Quatuors. ["Prussian" String Quartets: K. 575, 589, 590]Folio. 20+19+17+15 pp. Engraved. [PN] 345. With the notice of Pascal Taskin laid over the Imbault impression on the Violon I folio. Blue pencil notation on the title pages, usual foxing. A very fine and early copy of these late quartets. Gribenski 21. 51. "Any difficulty that Mozart may have had in starting the Quartet K. 575, intended to be the first of six for the cello loving King of Prussia, may well be largely due to that patron's passion. When