Calvin And Ruby Black ( - ) is an American painter. Calvin And Ruby Black s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3585 USD for Helen G. (+ 4 others incl. 1 paint on paper laid on panel; 5 works) in 2003 to 13145 USD for Untitled: Possum trot figure in 2003 , based on the size and medium of the artwork.