Vintage Mid-century Marie La Barre Bennett Blue Period Bonnet Girl Jasperware Button ... MB started making her Jasperware buttons in her studio in the Northwest, United States in the early 1950s, all of her molds were destroyed at the time of her death in 1969. These buttons are getting much harder to find. This button has a diameter of 1 1/4 inches & is in excellent condition. Signed MB on back .. Please see photos for details. THANK YOU for looking.