75/1820 Haydn, J. Eco per quatro voilini e due violoncelli da eseguirsi in due camere. Naples, L. Marescalchi, n.d. (±1793), (11)p., engr. title vignette (showing musicians in a landscape near Naples and the smoking Vesuvius) and scores, disbound, large 4to.

- Title-p. sl. duststained and sl. foxed; unbound copy (title-p. and final page attached to each other w. later paper strip along spine).

= Hoboken II 39a. Rare. SEE ILLUSTRATION PLATE LX.