John Francis Sartorius (after) ( 1775 - 1830 ) was a British painter. John Francis Sartorius (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 181.05 USD for Gentleman on Horseback with Two Greyhounds Hare Coursing in 2006 to 1034.55 USD for John Scott on Horseback (on the gallops at Malton) with Huntsmen and Foxhounds, th