Christie's has this note about the portrait, "MORITZ MICHAEL DAFFINGER (1790-1849)
A lady called Baroness von Wacquant-Geozelles, in purple velvet dress with white lace trim and gem-set brooch at corsage, the blue sash of a lady's order, possibly the Bavarian Order of St. Elizabeth, tied in a bow and pinned at her left shoulder with a badge, with tassels, fur stole draped over her right shoulder, three drop-pearl pin worn in her upswept hair, seated on an upholstered raspberry chair draped with fur; green curtain and landscape background
Rectangular, 5 3/8 x 4½ in. (13.6 x 10.5 cm.), heavy ormolu frame with foliate scrolls
The sitter was probably related to the Austrian General Johann Peter Theodor Freiherr von Wacquant-Geozelles (1754-1844)."
Upgrade image posted 15 January 2014 from the Christie's Web site, adjusted on 12 April 2014 to 28.35 pixels/cm and 30.55 cm wide.