Jan Gerard Waldorp ( 1740 - 1808 ) was a Dutch painter. Jan Gerard Waldorp s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1178.5 USD for A portrait of a gentleman, standing, three-quarter-length; and A portrait of an elegant lady, standing, three-quarter-length in 2004 to 19200 USD for TROMPE L'OEIL WITH DEMETER IN A PAINTED CA