US Navy Seal Team Eight Challenge Coin. Very hard to come by Seal Team Eight challenge coin. If you are a challenge coin collector this is a must have coin for your collection. Pleease check my other listings for some more great coins. I will continue to post in the future with more coins. The item “US Navy Seal Team Eight Challenge Coin” is in sale since Wednesday, October 16, 2019. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Challenge Coins”. The seller is “itsmekurtr” and is located in United States. This item can be shipped to United States.