| Base Metal | Sterling Silver |
| Metal | Sterling Silver |
| Vintage | Yes |
| Era | Art Nouveau (1895-1910) |
| Main Stone | No Stone |
| Jewelry Department | Fine |
| Brand | Unbranded |
| Antique | Yes |
| Type | Brooch |
Stamped as Sterling, and the patent applied for. I checked everywhere for a maker's mark or signature but could only find a "Patent Appl'd for" stamp. I wonder if it was the design or the style of brooch for which the patent was applied!?.