Waalki (jans) Dingemans ( 1873 - 1925 ) was a Dutch painter. Waalki (jans) Dingemans s works have been put up for auction numerous times, with realized prices varying from 40.55 USD for Leeuwarden in 2005 to 316.2 USD for Groningen. 12 Etsen. in 2007 , based on the size and medium of the artwork.