This is beautiful one of a kind Mermaid tail bracelet made from a Wallace Sterling silver spoon. The pattern is called "Rose Point" and is from 1934.
The bracelet is a size 7 at its current point but is adjustable.
The tail size itself you have the option of the Traditional Size Tail at 1 1/2" at its widest point.
These are examples photos of this bracelet, each are made the same but please keep in mind they are all handmade and may slightly vary from photos.