German painter c. 1720, Portrait of King Frederick William I of Prussia. A full-length, representative portrait of Frederick William in yellow trousers and a shiny cuirass, wearing the orange-red sash of the Order of the Black Eagle, a dark blue, gold-embroidered uniform coat with red lapels and white gaiters over black boots, the star of the Order of the Black Eagle on his chest. Oil/canvas, unsigned, retouched, 74 x 54 cm, framed 82 x 60 cm