LeRoy Thomas & John G. Begay (White Hogan Silver Shop) - Ironwood, Turquoise, and Sterling Pendant & Earrings Set Museum Quality but I can say that

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

The hallmark appears to be placed over itself

Mexico's eagle system of marking silver was put to rest and replaced by a new letter/number mark to indicate the silversmith and guarantee sterling standard

It was made circa 1980s

LeRoy Thomas & John G. Begay (White Hogan Silver Shop) - Ironwood, Turquoise, and Sterling Pendant & Earrings Set Museum Quality but I can say thatDark 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]