Eugène Ketterer was a prolific composer of salon pieces, and Bellone demonstrates his typical skill in writing accessible, tuneful melodies. It is a work meant to showcase the pianist's singing tone and decorative facility.
Focus on the balance between the ornate right-hand melody and the rhythmic stability of the left hand.
Comparable difficulty and character — good candidates for what to learn next.
Bellone (Op.242) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
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 Bellone (Op.242) lasts about 4 minutes.
Bellone (Op.242) 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 Bohêma by Eugène Ketterer, Ballade by Eugène Ketterer, Caprice hongrois by Eugène Ketterer — see the full similar-pieces list on this page.