New vintage solid copper pendant necklace

New vintage solid copper pendant necklace Teardrop shape Beaten metal emerald shape centrepiece Shiny polished surfaces. The copper colour is bright like a darker rose gold. Large copper curb chain 30x60 mm 24“ chain, 4+ mm thick Brand new c. 1970s. Probably handmade in Mexico. Hallmark: SOLID COPPER Rustic industrial handmade folklore vibes. Only a touch of the black two-toning: the “shadow” on the teardrop and a bit on the centrepiece.