Nancy Drew Files series 40th anniversary enamel pin featuring Nancy Drew from her first Files book, Secrets Can Kill which was published in August 1886. (Files book shown for reference is not included!) Enamel pin is around 1 and 1/4" in diameter. PVC back over the pin part. Metal/Enamel. We made a limited supply of 150 of these for our St. Louis Nancy Drew Convention and are selling the rest leftover in the shop. Very limited edition and supply.