This is an early, atmospheric piece by Prokofiev characterized by its somber, reflective mood. It showcases the composer's ability to write profound melodic content before his later more experimental period.
Focus on the coordination between the lyrical melody and the accompanying left-hand harmonies.
Comparable difficulty and character — good candidates for what to learn next.
Autumnal Sketch (Op.8) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 8.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Autumnal Sketch (Op.8) lasts about 4 minutes.
Autumnal Sketch (Op.8) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Autumnal by Sergey Prokofiev, Autumnal by Sergei Prokofiev, Berceuse by André Mathieu — see the full similar-pieces list on this page.