MOZART - PORTRAIT of "W.A. MOZART (1756-1791)". c.1790. Dotted engraving. Proof with the letter, on laid paper. Published in Vienna by Artaria. Small margins. Artaria was the leading Viennese publisher of Mozart's works during his lifetime, publishing 49 of his works between 1778 and 1791. 26.8 x 20.5 cm. B/C condition (some foxing, traces of glue on verso).