I do not have any more info on it than that. Good luck finding another one. The item "WWII US Army Air Force Corps 21st Bomb Squadron 30th Group Sterling Ring" is in sale since Sunday, December 2, 2018. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Personal Gear".The seller is "tiedup" and is located in Allentown, Pennsylvania. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Viet nam.