Silver abalone necklace and earrings

Vintage Paolo Romeo Itialian Silver chain with gorgeous large sterling silver pendant. The pendant and chain have been acid tested and are positive silver. The earrings are not sterling silver but match the necklace. the chain measures 11.5 inches long or.... 23 inches from each clasp end. The pendant measures 3 inches long 1.75 inches wide. The abalone in the pendant is 1 inch. The earrings measure 2.75 inches long and almost 1.25 inches wide. This is a stunning set.