Antonio Lorenzoni (1721-1782) English Painting commissioned by Leopold Mozart. Mozart is six years old. The painter did this by first painting the surroundings
File:Mozart, WolfgangAmadeus — Piano Sonata No. 10 in C major, K. 330 — 1st movement — Bui-Nguyen Trieu-Tuong — MusOpen Project.mp3 → File:Mozart, Wolfgang
According to https://sammlung.wienmuseum.at/en/object/322428-wolfgang-amadeus-mozart/, this image has been flopped; it's dated "around 1803 questionable"