This is a quintessential Elizabethan keyboard set of variations found in the Fitzwilliam Virginal Book. It is distinctive for its intricate division-style variations typical of the English virginalist school.
The primary challenge lies in maintaining consistent articulation and clean execution of period-appropriate ornaments.
Comparable difficulty and character — good candidates for what to learn next.
Bony sweet Robin, FVB 128 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 Bony sweet Robin, FVB 128 lasts about 3 minutes.
Bony sweet Robin, FVB 128 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 The Entertainer by Scott Joplin, Bach-bwv-anh-114 by Johann Sebastian Bach, Bach-anh-114 by Johann Sebastian Bach — see the full similar-pieces list on this page.