Vincenzo Billi was a noted composer of Italian salon music; this piece reflects the Venetian aesthetic of flowing, lyrical vocal lines adapted for piano. It is marked by its sentimental and refined melodic character.
The player must cultivate a deep cantabile touch to sustain the long, vocal-style phrases.
Comparable difficulty and character — good candidates for what to learn next.
Bella Venezia (Op.275) 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 Bella Venezia (Op.275) lasts about 4 minutes.
Bella Venezia (Op.275) 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 Berceuse from Dolly suite by Gabriel Fauré, Butterfly by Aleksandr Ilyinsky, Albumblatt by Aleksandr Glazunov — see the full similar-pieces list on this page.