 The girls started to paint in earnest about the age of 12 and their works were shown in the family's art gallery, by or before 2000.Bonnie's painting of a pintail duck was selected for the 2000 Federal Junior duck stamp, Their mother, Karen, finished 14th in the adult competition in 1999. a contest for students from kindergarten through the 12th grade, winning a trip with her parents to Washington, D.C. and a $2,500 scholarship.The winning stamp is sold for $5 as a collectible stamp.