CENTRAL AMERICA, 20th century Lot of pre-Columbian jewelry including: - An unakite bead necklace, centered with two gilded silver (925 / min. 800) frogs. Eight-fold clasp and hook. Gross weight: 62 g. - Length: 45 cm. - An onyx pearl necklace centered on four gilded silver (925 / min. 800) frogs. Eight-fold clasp and hook. Gross weight: 32 g. - Length: 42 cm. - A frog brooch-pendant in yellow gold (585). Net weight: 8 g. - A triangular-shaped pendant brooch in gilded metal. Scratches and missing gilding.