The listing, Lot of 30 Rings, READ DESCRIPTION ! has ended.
The top row are all Stainless steel, the first one is not marked, the rest are marked 316 or sts.
The two middle rows are costume, a couple are marked 14k & 18k GP
The bottom row are sterling and one 10k gold (last pic)
The first is Native American with turquoise and mop, not marked but tested sterling.
There is also a vintage Taxco turquoise dangle ring and one with black and white diamond accents.
Sizes vary.
There is also a 10k gold toe ring shown in the last pic, it’s adjustable.
All Sterling Silver and Gold have been tested.