Check the listing for details. WWII 12th Air Force DI Unit Crest Pin PATCH TYPE Pinback PB NHM. Condition: Used, Made in United States. Listed at 16.00 USD. Pinback nhm Original patina. You are bidding/buying one or more Military pins, DUI, crests, badges etc. They can be a mix of WWII, Korea, Vietnam, etc, All are identified as best as I can Make sure you look at the images and do your own due diligence on the identity of the pins before bidding. I cannot absolutely guarantee the identity of these pins as some have many varieties. If you would like more images, just message me and I will do my best to accommodate you. International bidders, make sure that these are allowed in your country. If customs seize them, that is your loss. I have 1,000 pins that I will be listing over the next several days/weeks to come. If you win more than one auction, I will combine them for one shipping price. Thank you for looking!