Corrected first proof of the first edition of the three Sonatas for piano, Opus 2, published by Artaria in 1796. 51 p., oblong quarto, engraved, plate number 614, with over 60 proof-corrections to 75 bars of music, mainly written in orange-red crayon (a few in pencil) in the staves, a few annotated in ink in the margins, with a four-bar passage of fingering written in brown ink by other hands on p. 9, and a few notes on hand-drawn staves in the margins, some trimming cropping the marginalia.