LeRoy Thomas & John G. Begay (White Hogan Silver Shop) - Ironwood, Turquoise, and Sterling Pendant & Earrings Set Museum Quality While the back is signed

While the back is signed

and water designs

It was made circa 1980s

the number identifies the silversmith to be the 6th or 8th individual to be registered under the two letter combination

but I can say that it requires close inspection to find these flaws

LeRoy Thomas & John G. Begay (White Hogan Silver Shop) - Ironwood, Turquoise, and Sterling Pendant & Earrings Set Museum Quality While the back is signedDark brown Ironwood pendant and earrings, each set with a single blue Turquoise stone in sterling silver. The pendant is by LeRoy Thomas while the clip on earrings are by John G. Begay, both for The White Hogan Silver Shop. Markings: (Pendant) Hand LT Made [The White Hogan Silver Shop pictorial] Sterling (Earrings) JB [The White Hogan Silver Shop pictorial]