Mona Ridderstad cedergren ( 1935 - ) is a painter. Mona Ridderstad cedergren s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 44.07 USD for Gamla kyrkan, Ven in 2006 to 138.31 USD for Rapsfält på Ven in 2009 , based on the size and medium of the artwork.