Eugène Ketterer was a prolific composer of salon music during the mid-19th century. Bohêma is a characteristic light romantic character piece designed to showcase grace and expressive tone.
The primary challenge is maintaining a consistent waltz pulse while applying the expressive rubato common to salon-style Romantic literature.
Comparable difficulty and character — good candidates for what to learn next.
Bohêma is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 Bohêma lasts about 5 minutes.
Bohêma 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 Ballade by Eugène Ketterer, Bellone by Eugène Ketterer, Caprice hongrois by Eugène Ketterer — see the full similar-pieces list on this page.