This is an Austrian dance set that follows the traditional waltz-with-coda structure common in the late Classical period. Its charm lies in its rhythmic simplicity and functional dance character.
The performer must keep the waltz rhythm steady and light throughout the various variations.
Comparable difficulty and character — good candidates for what to learn next.
12 Oesterreicher Quodlibet Walzer mit Coda 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 12 Oesterreicher Quodlibet Walzer mit Coda lasts about 4 minutes.
12 Oesterreicher Quodlibet Walzer mit Coda 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 13 Laendler Taenze nebst Coda by Johann Florian Kluger, Alexander's Ragtime Band by Irving Berlin, Waltz in D-flat major, No. 1 by Frédéric Chopin — see the full similar-pieces list on this page.