Vintage Navajo Turquoise P. Armstong earrings

Beautiful Vintage Navajo turquoise sterling silver earrings by Pamela Armstrong 11.6 grams by weight Signed on back P. Armstrong with ARM stamp I'm not sure what type of turquoise it is. Might be sleeping beauty turquoise. Sorry no offers on sterling silver Bundle and save 15% on two or more It appears earring backs have been glued back on which cant be seen when wearing. Earring backs not included