This piece is identical to WWV 108, representing a standard catalog reference for the work. It provides an intimate glimpse into Wagner's personal musical correspondence.
The primary challenge is maintaining a singing, operatic tone in the right hand while balancing the delicate, flowing accompaniment.
Comparable difficulty and character — good candidates for what to learn next.
Albumblatt für Frau Betty Schott, WWV 108 is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 Albumblatt für Frau Betty Schott, WWV 108 lasts about 3 minutes.
Albumblatt für Frau Betty Schott, WWV 108 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 Albumblatt für Frau Betty Schott, WWV108 by Richard Wagner, Albumblatt der Fürstin M. by Richard Wagner, Albumblatt by Richard Wagner — see the full similar-pieces list on this page.