Jiri Trnka ( 1914 - 1969 ) was a Czech painter. Jiri Trnka s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 229.41 USD for Sommernachtstraum in 2005 to 5734.72 USD for Midsummer night's dream in 2012 , based on the size and medium of the artwork.