Classical portrait of a bearded man was executed in 1824 by Joseph Tremier, the painter and restorer who lived in Vienna in the 19th century (1805–1885). Here is an overview of the most important historical facts and mentions of his life:

Private life: He and his wife Franziska (Fanny) adopted the orphaned Marie Viktoria Liebenthaler. She grew up with them and later achieved great fame as the renowned opera singer Marie Wilt, performing Wagnerian roles at the Vienna Court Opera.

Artistic work: He created, for example, the altarpiece of St. Margaret (a copy after Raphael from 1832) in the parish church of Grillenberg.

Portraits: Historical photographs of the painter, taken by the well-known court photographer Josef Löwy, can be found in collections such as the Vienna Museum Online Collection.

Source: on-line.

Inscription: illegible monogrammed, dated 28 März 1824, lower right; on the back of original canvas - antique inscription in Kurrent ( old German ) :" Joseph Tremier, geboren in Lemberg, 24 Jahre alt,  besucht K.&K. Academy seit 1825" ( in English: Joseph Tremier, born in Lemberg (now Lwiw), 24 years old,  studied at the Roayl Academy since 1825). 

Technique: oil on canvas, original period gilt frame.

Measurements: unframed 14 1/8" x 17 7/8"(36 x 45,3 cm), framed 19 1/8" x 22 1/2" (48,5 x 57 cm).

Condition: good cleaned condition, canvas slightly cracked.