UNDERWATER WORLD & COLOURS OF WILDLIFE (2018-2023) by MDM Wholesale Making its debut early in 2018, German producer MDM Wholesale launched its first Underwater World coin. A three 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. The use of the clear enamel means that the [...]