Only 2000 Coins Minted less than 50 certified PF70. Don’t miss out. 2015 2 oz Silver Coin – Journeys Of Discovery – Marco Polo. First Coin of the Series – Super Low Mintage of 2000! Less than 50 Rated PF 70. The Marco Polo 2 oz Silver Coin marks the first release in our new Journeys of Discovery Coin Collection, which celebrates exploration and discovery of the unknown. This proof quality, fully engraved and high-relief coin captures the moment of Marco Polo meeting the great Kublai Khan. The scene is set in a stronghold of the powerful Mongol Empire which Polo marvelled so much at discovering. The packaging of a protective draw string sack has been designed to model the transport materials to trade around the globe at that time. With a limited mintage of only 2,000 coins worldwide, this would make a special gift for coin collectors and inspire intrepid travellers on their own Journeys of Discovery.