This is an expanded version of Dulcken's canonic march published as Op. 127. It utilizes strict imitation to build tension throughout the march's structure.
Ensure the independence of the two hands is balanced to highlight the canonic imitation clearly.
Comparable difficulty and character — good candidates for what to learn next.
Canon en forme de Marche (Op.127) is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
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 Canon en forme de Marche (Op.127) lasts about 3 minutes.
Canon en forme de Marche (Op.127) 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 Canon en form de Marche by Ferdinand Quentin Dulcken, Piano Sonata No. 16 in C major by Wolfgang Amadeus Mozart, Maple Leaf Rag by Scott Joplin — see the full similar-pieces list on this page.