Very 1st Version of this challenge coin! Mal Ad Aosteo “Bad to the Bone”. He Who Sheds His Blood With Me, Shall Forever Be My Brother. Condition : Used, and in good shape. It is a polished silver toned, and it. Is 2 1/4 x 2 3/4 inches. NOTE 1: Error version (1st one ever made) only 100 made! The error is in the Latin phrase, Mal Al Aosteo it should read Mal Al Ostreo. NOTE 2: Never personally given any of the coins. All coins are guaranteed to be in excellent condition unless otherwise specified above. The free listing tool. The item “Mal Ad Aosteo Bad to the Bone SEAL Ser #051 Navy Challenge Coin ERROR Rare” is in sale since Wednesday, July 27, 2016. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “rolyat11″ and is located in Panama City, Florida. This item can be shipped worldwide.