John Graham Gilbert (after) ( 1794 - 1866 ) was a painter. John Graham Gilbert (after) s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 717.74 USD for Portrait of a boy, thought to be Sir John Pitfield Bt., seated full-length, in a white dress with blue ribbons, a toy spaniel on in 2005