Help! button

Object Number: 
Diameter: 1 3/4 in.
ENVIRONMENTAL ISSUES Metal pinback button with white background and black graphics and text, HELP! Image; drawing of multitude of faces. On crimp, ZPG [Zero Population Growth] 367 State st. Los Altos, Calif.
Credit Line: 
Gift of Ralph W. Nerbel
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group