Francis Thomé's waltzes are known for their melodic grace and refined sentiment, typical of French Romantic salon music. They often present memorable tunes with elegant accompaniment, making them appealing to both performers and listeners.
Pay attention to the clarity of the melody line and the legato connection between notes.
6 Valses caractéristiques 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 6 Valses caractéristiques lasts about 7 minutes.
6 Valses caractéristiques is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.