An excellent set of Chorrera Pectoral Shells (Melongena Patula). The Larger has a centered inverted openwork triangle and the smaller is incised with a single vertical line running down the center. Both re-strung individually with modern knotted hemp twine.  Larger pectoral measures 3” / 7.62 cm.  Smaller is .875”/2.22 cm. La Horma, Manabi, Ecuador 1800-300BC.

Ref: Ancient Ecuador - Culture, Clay and Creativity 3000-300 BC Pg. 108