This is a Hermes Ring. B rank: There are scuffs, scratches and dirt throughout due to use and storage.
Brand name: Hermes
Model name: History Ring
Size: US 4.75 / EU 49 / JP 9
Actual size: 7 Ring
Width: 0.6 cm (0.24 in): 11 g
Accessories: Box case (with deterioration)
Material: SV925 / 18K Yellow Gold

Condition Guide:
S: Like new by the store's standards
SA: Almost unused, overall pristine
A: Excellent condition
AB: Great condition, minor signs of use
B: Good condition, signs of wear from normal use
C: Noticeable scratches, dirt, or signs of use
D: Heavily damaged or in need of repair
Item with difficulty being called C: