This is from a series of paintings called Tronies which are modeled after a Dutch Golden Age style of genre painting. Tronies traditionally are either figure studies to depict emotion or show figures in decorative costume.
The painting technique is a unique process that gives the surface a range of texture and color. Clean the surface with a dry rag. Please avoid cleaning with water and harsh chemicals. The back of the hardboard is reinforced for additional strength and the surface is protected with a kamar varnish.