Five of six in set plus one dupe. Very graphic 2.5" celluloids from Marshall Levin collection with his reverse notations on two "Proof 7/80." All are red, white and blue and the two photo portrait varieties each are centered by browntone photo of Reagan. Set was comprised of two each of three separate designs. Each button of matching design has rwb colors but color use alternates from one to the other. Only one of the two color varieties for "Detroit 1980." Each was made in quantity not exceeding 2,000. N. Mint to Mint.