Adeline Bowannie pendant

Remembeing my first piece of Native American Jewelry
As soon as I saw this Adeline Bowannie exquisite inlaid cross I was moved by it’s beauty. The
Measuring 1.5’’ wide X 4.25" long, I love the extended lines of the sterling silver piece and the delicate multicolor of the stones. My picture does not do it justice, It is signed on the back. The chain came with it but I am not sure it is original