Blue Glass Triangle Vintage Cufflinks, Geometric Cuff Links

Rounded triangle geometric cufflink design with glass fronts. 

• Size: 5/8" in size.
• Type: Pre Owned Mid Century Vintage from the 1960's. 
• Condition: Good vintage condition with good working lever backs. No chips or cracks in the glass cabs.
• Materials: Silver tone plated metal, glass.
• Markings: Marked Pat Pend on the the levers but no maker's marks found.