Coal is one of the ranks on Minecraft Central. It costs 5.00 USD and is purchasable from the server's webstore. This rank was added on the 2nd of February 2014.
Features
▪ Ability to join full servers
▪ Ability to use /Fly in the Lobbies
▪ /Disguise (Mob disguise)
▪ Ability to make coloured signs
▪ Ability to mine Mob Spawners
▪ +1 Extra Plot (2 in total)
▪ /Disguise (Mob disguise)
▪ x2 Money Per Kill
▪ Ability to make coloured signs
▪ /Warp DMine (Access to the Donator Mine)
▪ Ability to make coloured signs
▪ Ability to mine Mob Spawners
▪ x1 /Sethome
▪ Ability to mine Mob Spawners (No SilkTouch)
▪ Ability to make coloured signs