At the end: "S. Thalberg / Paris, 22 avril 1842."
Part of the souvenir album of music autographs compiled by Gustave Vogt (1781-1870). The album contains entries by 63 musicians (one unidentified) and is dated Paris (a few are without locations), 1831-1856, most come from the 1840s.
The first 2 1/2 measures of a four-part canon.
Gustave Vogt (1781-1870).
Vogt, Gustave, 1781-1870, former owner.