six Buttons on Original card ... Made in CANADA circa 1950 , CASEIN plastic. This set is in a JET BLACK . Open work PIERCED in an Arabesque SWIRL pattern. Nice surface lustre
Made by " Canadian Buttons Limited " BRAND is " LA MODE DE PARIS " = Paris Style
==== SIZE === BUTTONS are 5/8 inch ( 16mm ) self molded shanks CARD is 3.5 x 4.5 inches , some cards have an "aged" paper look .
Very usable and collectable
I have jet BLACK in 13mm , 16mm & 19mm
Note : CASEIN PLASTIC is made from MILK by-products and was in use mostly in the 1940's and 1950's in Canadian button manufacturing. It went out of general use here with the introduction of oil based plastics in the late 1950's .