Thomas Spencer ( 1700 - 1763 ) was a British painter. Thomas Spencer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 8574.73 USD for PORTRAIT OF DORMOUSE, A BAY RACEHORSE LED BY A JOCKEY in 2004 to 18750 USD for A GRAY HUNTER HELD BY A GROOM in 2015 , based on the size and medium of the artwork.