Mark Osman Curtis ( 1879 - 1959 ) was a Danish painter. Mark Osman Curtis s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 11.71 USD for Baggårdseksteriør in 2004 to 1221.04 USD for Mother Dog with her Pup in the Kennel in 2018 , based on the size and medium of the artwork.