Phoenix Bird Necklace with Shiprock Mosaic Sterling Silver Signed

Vintage sterling silver Navajo made Phoenix bird necklace. It is hand stamp decorated and inlay set with Ship Rock chip mosaic in turquoise and c oral. Necklace is of twisted liquid silver and small bench beads. Necklace is 18" long and the pendant measures 2 1/8" long by 1" wide. Weight: 10 grams. It has a partial hallmark on the back. It may be Philander Begay.