John Greenhill (after) ( 1640 - 1676 ) was a British painter. John Greenhill (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 895.95 USD for Portrait of Sir Thomas Nicolson of Carnock, half-length, in armour and a lace collar, feigned oval in 2005 to 2597.23 USD for Portrait of a lady, half-length, in a silk gown, with a