Franz Nikolaevich Riess (1804-86), Francois Riess Russian school of the XIX century. A pair of quality portraits, 1840. Charcoal, pencil and white chalk. Signed and dated at bottom right. Appearance: 33 x 28 cm (layered chalk paper with watermarks). The leaf is slightly brazen, with freckles, especially in the portrait of Madame, which also shows some spots of moisture below.
Beautiful pine frames, authentic (good condition): 57 x 49 cm. WITHOUT GLASSES