19th Century Oil Painting ‘Study of Tree with Flower Wreath’ Signed Mayer

19th Century Oil Painting ‘Study of Tree with Flower Wreath’ Signed Mayer 
German?  Oil on canvas, sitting in a gilt frame, ready to hang. Signed bottom right, dated 3 May 1829, labelled Professor Oswold Mullers Estate, in good condition. 
Dimensions Cm’s (including 
frame) 
WIDTH 56
HEIGHT 49