For your consideration are these large and glamorous marcasite earring. Encrusted in marcasites they shimmer in the light. They has small marks that I can't make out but they have tested and are guaranteed as sterling silver. They have good patina and age.
Each measures 1 and 1/2 inch by 7/8 inches so they are a nice size.
Excellent functioning condition. The patina is uneven.