Hartmann's Albumsblad HW 49 is a refined work focusing on harmonic warmth and melodic grace. It is a fine example of late-Romantic Scandinavian piano writing.
Maintain a beautiful singing tone through all legato transitions.
Comparable difficulty and character — good candidates for what to learn next.
Albumsblad, HW 49 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 Albumsblad, HW 49 lasts about 2 minutes.
Albumsblad, HW 49 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 Albumsblad, HartW 99 by Johan Peter Emilius Hartmann, Berceuse by Johan Peter Emilius Hartmann, Albumsblad, HW 41 by Johan Peter Emilius Hartmann — see the full similar-pieces list on this page.