Jasper, sterling silver, straight hat pin or lapel pin.
With the straight pin, it’s about 2.75” in length.
The stone is .68” x .44” x .28” with a silver bezel.
One of a kind.
I found this piece of jasper on a beach in California. I didn't know what it was. After I polished it, a friend told me it was red jasper. That beach was full of interesting things.
Allow 5-7 days for shipping. This piece has shipping insurance included in the price.