• These are definitely vintage and they might be antique.  I bought them to use as window display when I had my retail store.  
• Stamped NIXEN PARIS
• Gold tone with black and gold tone floral fabric
• Measure 3 3/8" from side to side 
• Lens is approximately .75 " diameter
• Weighs 89.06 grams
• Please note that I DO NOT know the magnification!  I had to list something.