March on Pollution: April 4 button

Object Number: 
Diameter: 2 in.
ENVIRONMENTAL ISSUES Metal pinback button with black backgrounf and white lettering, MARCH ON POLLUTION APRIL, on crimp: Columbia Advertising Co 133-17 101sy Ave Richmond Hill, N.Y. 11419
Credit Line: 
Gift of Ralph W. Nerbel
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group