Julius (isaak) Jacob (attributed To) ( 1811 - 1882 ) was a German painter. Julius (isaak) Jacob (attributed To) s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 1387.22 USD for Portrait of a sporting gentleman, full-length seated in a landscape holding a shotgun, a dog at his side; A companion portrait