Antoon van Welie (1866-1956), was a Dutch painter and cartoonist. He was a represent of movement called Luminism(term popular in Belgium, used there and almost nowhere else.)(and sorry no works from Luminism:<)
Portret van Maria Adriana Snoeck
Portret van Engelberta Antoinette Henriette de Roo
Portret van Maria Magdalena Muller
reproductions found here:rkd.nl that's why there's a watermark.