1 oz Gold Bars. Proof & Mint Sets. 2025 Niue 1 oz Silver Coral Reef Proof (with Box & COA). 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. Contains 1 oz of. Comes in a specially designed presentation case in the shape of a frame along with a certificate of authenticity. Mintage of 500 coins. Obverse: Features the coat of arms of Niue. Reverse: Depicts in color several different fish, octopus and a turtle swimming in a coral reef. Sovereign coin back by Niue. A perfect coin for nature lovers and diving enthusiasts. Add this Coral Reef coin to your cart today! Mint of Poland The Mint of Poland has been striking coins for over 250 years and is among the top three most technologically advanced mints in the world. They are the main mint for circulation coins and commemorative coins issued by the National Bank of Poland. Every year, this mint introduces a wide range of numismatic coins in different finishes, sizes and metals. The themes include animals, lucky coins and famous artwork. The coins have different countries of issue. Find Unique Silver Coins at APMEX In addition to the most popular silver coins on the market, APMEX also carries more unique silver pieces. Ideal for collectors looking for the perfect new addition to their collection. These eclectic items range in size and shape, and feature an array of stunning designs. These products are special not only because of their precious metal content, but also for their unique designs and subject matter. If you are looking for a niche addition to your collection, find it at APMEX. This is not a photo of the actual item.