Original 3 &1/2 x 5&1/2" first printing handbill/Mini Flyer, for the International Day Of Solidarity For The Afro-American People held on 8/18/1965,  The flyer was printed by OSPAAL,  the Organization of Solidarity with the People of Asia, Africa and Latin America.  They make some really beautiful posters.
 
Flyer is in great vintage condition.