Coin holder

Claim 1

AN IMPROVED CONTAINER FOR BOTH DISPLAYING AND PROTECTING A COIN AND THE LIKE, SAID CONTAINER BEING FORMED BY A PAIR OF GENERALLY FLATTENED MATING PARTS OF PLASTIC MATERIAL, EACH MATING PART HAVING PROJECTING FROM ONE SIDE THEREOF A PERIPHERAL SIDE WALL AND A CIRCULAR RIDGE SPACED LATERALLY INWARDLY OF SAID PERIPHERAL SIDE WALL, THE PERIPHERAL SIDE WALLS OF THE PAIR OF MATING PARTS ABUTTING EACH OTHER ALONG THEIR LENGTHS TO PROVIDE A SUBSTANTIALLY UNIFORM EXTERIOR PERIPHERY FOR THE CONTAINER, AT LEAST ONE OF SAID CIRCULAR RIDGES ON THE PAIR OF MATING PARTS PROJECTING BEYOND THE PLANE OF THE EDGE OF ITS ASSOCIATE PERIPHERAL SIDE WALL AND TELESCOPING WITH THE OTHER CIRCULAR RIDGE TO DEFINE A CIRCULAR COIN DISPLAY CHAMBER CENTRALLY ARRANGED ON SAID CONTAINER AND LATERALLY SURROUNDED BY VALLEY MEANS COMPOSED OF THE SPACES LOCATED LATERALLY BETWEEN THE MATING PERIPHERAL SIDE WALLS AND THE MATING CIRCULAR RIDGES, THE SAID VALLEY MEANS SERVING AS DEAD-AIR SPACE MEANS, SAID CIRCULAR TELESCOPING RIDGES FRICTIONALLY ENGAGING EACH OTHER TO RETAIN THE MATING PARTS TOGETHER AND TO EFFECT A SEAL SURROUNDING SAID CHAMBER WHICH SUBSTANTIALLY PREVENTS INGRESS OF AIR INTO SAID CHAMBER, WHEREBY TARNISHING OF SAID COIN IS SUBSTANTIALLY AVOIDED, AND MEANS PROVIDED IN SAID COIN DISPLAY CHAMBER FOR ENGAGING AND SECURING A COIN IN PLACE THEREIN SO AS TO PREVENT MOVEMENT OF THE COIN THEREIN.