Silver Antique Finish Coin. SWALLOW’S NEST CASTLE. Size: 33.01 x 43.68 mm. Mintage: up to 2000. Minted by the Mint of Poland. Magnificent unusual shaped Castle Coin. Shape of a Swallow’s Nest Castle. Very rarely offered for sale. Absolutely spectacular coin design. Don’t miss it! This coin is Brand new – comes with the original mint capsule, display box, outer box with Certificate of Authenticity. Great Gift and Fantastic Collector’s item for a World coin collector. We are professional coin dealer and sell world coins over 20 years. Take a look at my other lots maybe you will find something that interests you.