Art Deco 1930's Coral Pink celluloid Button.  Celluloid buttons were produced  from the 1870s to 1930s, they were made to "mimic expensive natural items like ivory, pearl, bone, horn, and tortoiseshell".
 
Size: 2" by 1" oval shape
 
I love to antique shop and find buttons!  Due to my overwhelming amount, I am sharing my joy with this collection of vintage buttons.