Martine Franck ( 1938 - ) is a Belgian painter. Martine Franck s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1200 USD for Meudon Observatory, Seine-et-Oise, France, 1991 in 2005 to 6875 USD for Children's Library Built by the Atelier de Montrouge, Clamart, France in 2013 , based on the size and medium of the artwork.