Vintage Navajo sterling silver pierced post earring. They have bright turquoise with vibrant butterscotch colored matrix Exceptional stones. The thin veins of turquoise are backed with black backing that you can see from the side as they are prong set. 

Hallmarked in the back “Debbie” with a hogan mark. I believe this is Debbie Silversmith. They measure 15/16” by 3/4”/ Weight for both is 10.6 grams.