A vintage southwestern Native American  style sterling silver, onyx pair of earrings.  The have posts in the back.  The quality of the stone is excellent.    The workmanship is exquisite, very finely crafted. The overall earring size is 24x20 amm and the onyx  stone is 18x13mm   They are etched on the back with a symbol representing the maker and "Mexico".    They were purchased when I lived in Tucson in the year 1979.  Good condition for their age.  The silver and black onyx and large size will really stand out and look spectacular on your ears