Contains Lunar Flown Apollo Command Module metal + includes Certificate of Authenticity. This official NASA collectible will take pride of place in any space pin collection. This NASA official pin commemorates the 50th Anniversary of the Apollo 11 Moonlanding. The pin is approximately 30 mm in diameter. This special edition contains Apollo Command Module parts flown to the Moon by NASA. The description on the back reads:The attached information card also acts as the Certificate of Authenticity.