This vintage 70s US Army shirt is a rare find for collectors of militaria. The shirt is made of sateen fabric and features long sleeves, making it perfect for cooler weather. The shirt is named and has the rank of OG-507, which is a Jungle Expert. It is an original piece and was made in the United States, adding to its collectible value. The shirt is ideal for those who appreciate the history of the US Army and enjoy collecting unique items.