Vintage Sterling Silver Brutalist Modernist Chunky Brass Clip on Earrings

Solid sterling silver vintage brutalist modernist clip on earrings stamped sterling on the back - acid tested pure 925 features brass symbol accent - may be Mexican - origin is unknown approximately 1.1 inches long - super chunky excellent preowned condition - no major tarnish - some metal scraping and patina akin to age but very clean and shiny total weight of both earring is 36g these are really exotic and my research has lead me nowhere but I'm so excited to add them to my shop! items are wrapped individually and shipped carefully next day