Description 39mm QUADRUM INTERCEPT Square Coin Capsule Holdersfor 1oz Silver Britannia Since 2013Archival Quality!Combined & Reduced Shipping for Additional Quantities! Size: Holds 39mm diameter coins, inside depth of 3.3mm. Outer dimensions are 50mm x 50mm x 6.25mmQuantity: One box with six square Intercept coin capsules.Description: QUADRUM INTERCEPT: The Snaplocks with Active Protection Against Tarnishing. Regular capsules or snaplocks limit a coin’s exposure to ambient air and moisture. Quadrum Intercept coin holders with highly porous, copper-based INTERCEPT TECHNOLOGY material does even more: it neutralizes harmful atmospheric gases inside the capsule so that the coin is stored in a non-corrosive micro-climate. The INTERCEPT material protects coins from tarnishing for up to 15 years. It is non-toxic and will not leave any oil build-up or residue on the coin. The capsules are made of durable, crystal-clear, scratch-resistant plastic and are securely locking, yet easy-to-open. Capsule size: 2×2″ (50 x 50 mm).Holds the Following Coins: Australia 1 oz. Lunar II gold 39 mm Great Britain crown £5 (from 1816) 39 mm Great Britain 1 oz. Britannia silver (from 2013) 39 mm Great Britain 1 oz. British Lunar silver 39 mm Somalia 1 oz. Elephant gold silver 39 mm Somalia 1 oz. Elephant silver 39 mm Coins are NOT included.