I had acquired this set in Long Beach, California about 50 years ago. They were from an employee that worked at, what was then Douglas Aircraft, later to be McDonnell Douglas and now, Boeing Aircraft in Long Beach. The are mounted through a piece of aluminum and are solid 10K gold and are 5, 10, and 15 year pins. The 10 and 15 year pins have diamonds mounted. If you are interested, please send me your telephone number and I'll respond. If not, I delete scammers. Cash ONLY.
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