Vintage 1974 Keep On Truckin African American Black Light 35×23 Vintage Poster Posted by admin on June 25, 2024 Posted in: vintage. Tagged: 35x23, african, american, black, keep, light, poster, truckin, vintage. This is a 1974 Keep on Truckin African American Men Monarch Publications Black light 35in X 23 in poster. It is not in bad condition considering age. It does have creases on poster, please see pictures.