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Dansco Coin Albums have been a longtime companion for both expert numismatists and beginning coin collectors. The Nat. Park Quarters 2016-2021 Vol.2, P&D&S& Silver Proof Dansco Album comes in a 1" binder and holds up to 120 coins. The album has 6 Dansco pages (series: 8147-1 to 8147-6), each one holding and displaying all National Park Quarters minted from 2016-2021 including the silver proof coins. These coins bear on the reverse a site of natural or historic significance. America the Beautiful Quarters Program, the official name of the series, is stipulated to conclude in 2021. Nevertheless, the secretary of the Treasury has the last word, since he/she can authorize to extend the life of the series until 2032 by minting a second site of natural or historic significance from each state. National Park Quarters have a pure copper inner core and an outer layer made of 75% copper and 25% nickel. They measure 24.3 mm, and each weighs 5.67 grams. Dansco Coin Albums have their pages attached with metal screws, making it easy to add and replace.