Four vintage sterling silver and stone bangle bracelets designed and signed by Miguel de Allende and Taxco, Mexico artist Carmen Beckmann circa 1960's. Each bracelet measures 2 1/2" in diameter and 1/4" wide at the stones. Each bangle holds 3 bezel set stones. 1 set with Mexican opals, 1 with amethyst, 1 with turquoise and 1 accented with malachite. Each bracelet is signed BECKMANN MEXICO STERLING. All four are in beautiful condition. A chapter on Beckmann can be found on page 233 of MEXICAN SILVER by Penny Morrill and Carole Berk. Insured US Priority mail shipping included within the U.S.