Jacob Roos Rosa di Napoli; Giacomo Roos; Jakob Rosa; Jos. Nik. Jakob Hyacinth Joh. Roos ( 1682 - 1730 ) was an Italian painter of landscape and animal. Jacob Roos s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4770.84 USD for An Italianate landscape with a herdsman and his cattle in 2004 to 6753.21 USD for 2 HIRTEN MIT SCHALMA