Vintage Lapis and Sterling Silver Mexican Clip on Earrings Blue

Beautiful vintage sterling silver and blue lapis Mexican clip on earrings in good condition. Could benefit from some polish. The earrings are signed, but it is very hard to read. The probe mark is also almost gone due to use. Vintage modern simplicity in a truly elegant design. Approximately 1” L x 1/5” W x 1/4” D Thanks for looking 😊