Martin Ferdinand Quadal ( 1736 - 1808 ) was an Austrian painter. Martin Ferdinand Quadal s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3682.51 USD for Portrait of a gentleman, said to be Clemenshaw, Organist of Wakefield, half-length, in a blue coat, playing the flute, a violin in 2005 to 48930 USD for Portrait of a gentleman