There may be some light patina/tarnish. All pin backs are intact.
There are a few that have lapel pin closures. The item "52 Vintage Birds Bees Bug Butterfly Dragonfly Pin Brooch Lot Sterling Gerrys" is in sale since Tuesday, December 17, 2019.
This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Costume\Retro, Vintage 1930s-1980s\Pins, Brooches". The seller is "2consigningwomen" and is located in Winston-Salem, North Carolina. 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, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Saint lucia, Turks and caicos islands, Bermuda, Brunei darussalam, Ecuador, Egypt, Gibraltar, Guadeloupe, Iceland, Luxembourg, Macao, Peru, Pakistan, Paraguay, Viet nam, Uruguay, Russian federation.