Black Jim is an obscure ragtime/cakewalk-era composition that reflects the musical vernacular of the turn of the 20th century. It is musically distinctive for its slightly more sentimental, slower-paced melodic contour.
Focus on maintaining a gentle swing feel without sacrificing rhythmic precision.
Comparable difficulty and character — good candidates for what to learn next.
Black Jim is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Black Jim lasts about 3 minutes.
Black Jim 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 Waltz in A minor by Frédéric Chopin, Prelude in E minor, No. 4 by Frédéric Chopin, Albumblad by Edvard Grieg — see the full similar-pieces list on this page.