$58 Southwest Native American Signed Estate Stud Earrings Sterling Silver

Well, I am stumped again; I cannot find the artisan by the mark on these stud earrings My experience tells me that they are most likely Navajo in Origin Well Made & a Beautiful Color of Turquoise Earrings measure 1/2 of an Inch Round The mark on the back appears to me to be an old fashioned 7; there too, it could possibly be an L I would love to know who the artisan is; if you have any information, please, let me know Priced to Sell for $58 from the Genuine Stoner Closet