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Ultra Intercept are the world's only round coin capsule offering the added benefit of active tarnish protection. The patented Intercept Technology material is applied to a chemically inert EVA foam ring and combined with an ultra-clear rimless capsule. Regular capsules limit a coin's exposure to ambient air and moisture. The highly porous, copper-based Intercept Technology material does even more: it locks in corrosive gases and provides active protection from tarnishing for up to 15 years, significantly longer in favorable storage conditions, such as cool and dry areas without extreme changes in temperature and humidity.
Inside Diameter: 38mm (for US Large Dollar (Trade, Seated Liberty, Morgan, Peace, Eisenhower, Modern Commemorative (1983-Date), 5 Mk KR, 500 OES)
Outside Diameter: 43mm