This offering is for a 2 3/4" x 1 3/4" Oval Pinback manufactured on Behalf of the Glide Church in San Francisco...Th Pinback reads Rebirth of African - Americans  Crack Free...This pinback was to promote the elimination of Crack in the African american Community...They suffered through Crack Addiction for many years...A rare pinback in support of this tremendous effort to rid the African American Community of the scourge of Crack cocaine..