This v intage pair of earrings are unsigned Spratling. They are marked only MEXICO SILVER. I have had this same pair with the Spratling signature.
Measure approximately 2-1/8" from the top of the ball to the bottom of the hoop by 1- 9/16". The item "VINTAGE MEXICO STERLING SILVER SPRATLING DANGLE DROP EARRINGS" is in sale since Tuesday, November 18, 2014. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Vintage Ethnic/Regional/Tribal\Mexican, Latin American". The seller is "deja--voodoo" and is located in Santa Cruz, California.
This item can be shipped worldwide.