Overall: 1/2 in. ( 1.3 cm )
Circular metal pin-back button "FOOD/FOR/SPAIN"; images of milk, flour, corn etc.
In 1936, when an initial military coup failed to win control of Spain, a bloody civil war ensued, fought with great ferocity on both sides. This button was in support of the people who were trying to send provisions for the innocent of the country.
Due to ongoing research, information about this object is subject to change.