Thea Proctor ( 1879 - 1966 ) was a painter. Thea Proctor s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4921.48 USD for The Aeroplane in 2004 to 20257.39 USD for The Swing 1925 in 2007 , based on the size and medium of the artwork.