Lifetime portrait engraving of the Austrian composer and virtuoso pianist whose music reflects the transition from the Classical to the Romantic musical era. "J. N. Hummel Königl. Würtemb. u. Grossh. Weimarischer Capellmeister," published by the Hildburghausen, Bibliographisches Institut. The plate 3 x 4 inches (8 x 11 cm.), the full sheet 7.5 x 10.5 inches (19 x 27 cm.)  Some foxing, mostly outside the plate, left edge rough, else fine.