Vintage 925 sterling silver & copper Modernist Brutalist Southwestern earrings

Vintage Modernist Brutalist Mid-Century Modern large dangle earrings. Signed Cobre Mexico. Collectible Southwestern jewelry. Handmade, hand hammered surface. The posts and the backs are solid 925 sterling silver. The rest is solid copper. The backs are stamped 925 (they are not original), and the posts were professionally tested as 925 sterling silver. 7.5 cm long.