This Marine Corps MATSA-22 Marine Aviation Training Support Group challenge coin is a must-have for any collector or fan of military memorabilia. Measuring 2 inches in diameter, this coin features the iconic Marine Corps emblem on one side and the MATSA-22 logo on the other. Made of high-quality materials, this coin is sure to impress with its intricate detailing and durability. Whether you're a veteran, active-duty service member, or simply a collector, this challenge coin is a great addition to any collection.