Shirley Pettibone ( 1936 - ) is an American painter. Shirley Pettibone s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 350 USD for Untitled (Water ripples), 1982 in 2006 to 1625 USD for Lily Pond with Turtle in 2011 , based on the size and medium of the artwork.