OLD STERLING SILVER RING 7 GRAMS SIZE 55 MARCASSITES AND ONYX OVAL W69 Old onyx ring Thickness: 0.8cm Width: 1.5 cm  Weight of the set: 7 grams  Finger size: 55 Hallmarks: silver crab hallmark Material: silver onyx and marcasite Condition For the condition please detail the photos: Used in good condition, the onyx is very slightly spotted, invisible to the naked eye. Please look carefully at the photos, they are an integral part of the description.   All my jewelry is either old or second-hand, more or less recent.  As such, they have marks of time and use that I try to indicate as best as possible by posting several photos and describing the object.  I therefore ask you in advance to carefully read the description and look at the photos which are part of the description.  Do not hesitate to consult my store and all my items for sale.   I remain at your disposal for any questions.