New vintage cross of NAILS Mexico silver

New vintage cross of NAILS Mexico silver Quick list Industrial minimalist Hallmark on pendant’s bail: I think from Mexico No clear hallmarks on chain. I’ll update the pictures because I thought there was something on the spring ring closure. But it’s not clear here. New vintage c. 1970s. Really unique piece to use “nails” to form the cross. Sort of brings new (or old) meaning to the piece. Also, beautiful modern minimalist work with lots of subculture nods.