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Let's clear the air! button

Object Number: 
Diameter: 1 3/8 in.
ENVIRONMENTAL ISSUES Metal pinback button with white background and green lettering and graphics, LET'S/CLEAR/THE/AIR!, Image: drawing of sun and industrial buildings.
Credit Line: 
Gift of Ralph W. Nerbel
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group