Three buttons. Flat. Two buttons (possibly in use 1805 - 1807) have twisted rope edges. On a circle with a smooth background is an oval with an inner rope twist edge and a lined background. Within the oval is a large anchor with the rope trailing behind it from the ring/shackle to the crown. A small anchor is on both the left-hand and right-hand side of the stock. Master.
One button (possibly in use 1807 - 1825) has a twisted rope edge. On a circle with a smooth background is an oval with a rope twist edge and a lined background. Within the oval is a large anchor. Two smaller anchors are below the stock on the left-hand and the right-hand side of the shank. Master