A Gerlsma ( 1919 - 2012 ) was a painter. A Gerlsma s works have been put up for auction numerous times, with realized prices varying from 64.37 USD for Modderige bol', bij de keersluis van de Wijde Ee in 2010 to 99.37 USD for Grachtje Franeker in 2011 , based on the size and medium of the artwork.