Thomas Johnston ( 1708 - 1767 ) was a painter. Thomas Johnston s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 7191.69 USD for Quebec, the capital of New-France, a Bishoprick and Seat of the Soverain Court in 2015 to 16921.62 USD for Quebec, the capital of New-France, a Bishoprick and seat of the Sovereign Court in 2015 , based