diameter: 2 1/8 in. ( 5.4 cm )
printed: front, bottom, right of button: "BOBLAKE"
Circular pin-back button: "APRIL 22 1970/APRIL 22, 1990/NEW YORK CITY/TWENTIETH/ANNIVERSARY/EARTH DAY"; image of clouds and a dove carrying an olive branch; text placed on a flag with image of the earth to the left; blue, red, white, green and orange.
Gift of Toni Ellen Heisler
Due to ongoing research, information about this object is subject to change.