João Rodrigues Vieira ( 1934 - 2009 ) was a Portuguese painter. João Rodrigues Vieira s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2225.12 USD for Sem t√≠tulo in 2012 to 14063.38 USD for "Maria Helena and Arpad taking a glass" in 2017 , based on the size and medium of the artwork.