Oswaldo Moncayo ( 1923 - 1984 ) was an Ecuadorian painter. Oswaldo Moncayo s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 97.95 USD for South American mountain villages in 2004 to 200 USD for Landscapes with Figures and Llamas in 2012 , based on the size and medium of the artwork.