This looks to have been hand painted with stencil. Best guess from the 1950’s /60’s Rough texture, I believe sand paper painted. Paper covers back so not sure what material made out of. Sturdy and no flaws that I can see. About 13 square exterior wood frame. Please see all photos. This item is in the category “Collectibles\Militaria\Militaria (Date Unknown)\Air Force”. The seller is “melodeecostello” and is located in this country: US. This item can be shipped to United States, Bahamas, Uruguay, Canada, Philippines, Cayman Islands.