Each coin is made of 0.999 fineness silver and contains 3 oz of precious metal content. The series consists of 7 coins, with a total precious metal content of 21 oz. Minted in Germany by MDM, these coins are part of the Underwater World Series. Making its debut early in 2018, German producer MDM Wholesale launched its first Underwater World coin. A 3 ounce silver coin with an antique finish, it featured a heavily dished reverse face inside a border, which was filled with a translucent blue enamel. Struck to an impressive level of ultra-high relief, each coin depicts a sea creature not only under the enamel, but also bursting through the surface of it, just as the animal would in reality. There are 7 total issues. The use of the clear enamel means that the background field of the reverse face, filled with marine flora, is perfectly visible and helps place the subject in its habitat. The first coin depicted a Great White Shark and did so pretty well, but for us at least, the Sea Turtle coin is the one that lifted this series above others with a similar theme. The following Dolphin, Crocodile and Spotted Seal. Issues are awesome entrants, with the Turtle and Spotted Seal being the best liked here. The Blue Whale and Octopus finished out the series. The Octopus stands out as one of the best also! Even though the coin weighs in at 93.3 grams (3 troy ounces), the levels of high relief limit the diameter to 50 mm, but that’s certainly big enough to keep everything packed full of great detail. Antique-finished, these are fine examples of coins that, while they’ve undergone modification from their cleanly-struck origins, have done so in a clever and non-tacky way. All coins are encapsulated with Original Packaging and Certificate of Authenticity included! 2018 GREAT WHITE SHARK.