Kittyaphant Coins have recently been found it dig sites aound the world. They are around the size of a dollar coin, but they are three times thicker. They are all made of onyx, but decorated with different gems to show value. There is one made of only onyx, one made of onyx with a ruby in it, one made of obsidian, and one made of obsidian with a ruby in it. Humans know them as Onyx, OnyxR, Obsidian, and ObsidianR. It is unknown how they would hold the coins, though they might have had special machines for them.