Check the listing for details. VINTAGE MILITARY PATCH SET US AIRFORCE MASTER SGT SERGEANT 3". Condition: New. Listed at 1.50 USD. This vintage military patch set is a must-have for any militaria collector. With a design that features the US Airforce Master Sgt Sergeant rank, this set is a perfect addition to any collection. Made in the United States, this original piece is an authentic representation of the military history of our country. The patch set measures 3 inches and features a unique design that is sure to catch the eye of any collector. The Original/Reproduction category confirms that this patch set is an original piece, and the Theme and Country/Region of Manufacture categories provide more insight into the military history represented by this item. This patch set is categorized under Collectibles, Militaria, Vietnam (1961-75), Original Period Items, and Patches, making it easy to find and add to your collection.