There are no marks on this piece. The band and insignia have been tested and they both are silver. The band has three holes to ensure proper fit. Band is 5/8 inches wide and the center insignia is 13/16 inches wide.
Probably one of the nicest I have seen. Total weight just under 40 grams. The item "Unusual WW II Era Army Air Force Silver Sweetheart Jewelry Bracelet" is in sale since Friday, October 11, 2019. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Home Front". The seller is "gls6299" and is located in Gorham, Maine.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, 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, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Egypt, Viet nam, Uruguay, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Brunei darussalam, Bolivia, Ecuador, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Nicaragua, Peru, Pakistan, Paraguay, Sri lanka, South africa, Colombia, Antigua and barbuda, Saint lucia, Barbados, Bermuda, Cayman islands, Maldives, Oman, Reunion, Montserrat, Russian federation, Ukraine.