Peter Winthrop Sheffers ( 1893 - 1949 ) was an American painter. Peter Winthrop Sheffers s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2468 USD for Rockbound, Coast Near Ogunquit, Maine in 2004 to 3250 USD for Sunlit Breakers in 2013 , based on the size and medium of the artwork.