Vintage KEM "Guiding Star" Plastic Playing Cards. Two SEALED decks with Playing Card Revenue Stamps. Stamps have KEM Plastic Playing Card Company (KPPC Co) pre-cancellation on them. Copyright printed on cards indicates 1947. Bakelite case in perfect condition is included. Also original box is included. There is a slight soil mark and a single word written on the top of the box (see photo). Also included is a sheet describing the "Guiding Star" Zodiac design on the car...ds, a warranty registration card and an instruction sheet on how to take care of the cards.