As there was no sewing needed to attach these buttons they were given the name of Batchelor Buttons. They have a special spring mechanism at the back to enable the back to come off so it then can be attached. The group shown has one brass button with an engraved floral design. Two have a stone set in brass and the other also with a stone, claw set into a white metal. In the close up you can see the decorative claws holding it in. I think it looks a very good quality button. Three of these buttons have a “West” Reg’d No. or Patent marked on the back. The rising sun is the West trade mark.