2016 unknown World Numismatic Advent Calendar Collection Various Grades Photos in this listing may or may not be stock photos. The photos are meant to be an indication of the product you will receive. Coin Highlights: Contains 24 coins from 24 different countries. Each door displays the coins denomination country of origin and Christmas greetings in the matching language. Perfect gift for collectors of all ages to count the days to Christmas eve. Sovereign coins from around the world.