Ten pound anchor with chain and rope used by oysterman Ira Wright

This is a ten pound anchor with bolt and two rounded flukes. A twenty-four link chain is attached to the anchor and a yellow nylon rope is tied to the end of the chain. The weight is indicated on the anchor on either side of the base. The patent number is transcribed on one of the flukes in a circular configuration around a central star that reads "PAT/ 2019220." On the other fluke is the maker's mark "ZURN" in an oval shape. The anchor, chain and yellow nylon rope show signs of rust staining.