This is a bravura operatic paraphrase based on themes from Verdi's famous opera. It showcases the technical flourishes characteristic of 19th-century salon transcriptions designed for public performance.
Mastering the rapid, sweeping arpeggios and operatic ornamentation requires significant hand flexibility.
Comparable difficulty and character — good candidates for what to learn next.
'Un ballo in maschera', opéra de Verdi, fantaisie brillante. Op. 241 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 'Un ballo in maschera', opéra de Verdi, fantaisie brillante. Op. 241 lasts about 8 minutes.
'Un ballo in maschera', opéra de Verdi, fantaisie brillante. Op. 241 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 Caprice fantaisie sur 'Zilda' by Eugène Ketterer, Caprice hongrois by Eugène Ketterer, 'Le Désert' de Felicien David, fantaisie brillante by Eugène Ketterer — see the full similar-pieces list on this page.