Poland has a rich selection of Gold and Silver commemorative coins. In the year 2004 coins were launched in the series: "Animals of the World", "Polish Kings and Princes", "Polish Travelers and Explorer", "The Polish Calendar of Traditional Customs and Rituals" and "Polish Painters of the Turn of 19th and 20th Centuries" and various occasional coins. See also Numismatics Regular issue coinage Coin grading References Commemorative coins of Poland