Emil Keyser ( 1846 - 1923 ) was a Swiss painter. Emil Keyser s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 164.85 USD for Mutter mit ihren Kindern auf dem Heimweg. Kreidezeichnung. in 2004 to 5794.19 USD for Girl with Flowers in 2012 , based on the size and medium of the artwork.