This vintage Mexico 925 sterling silver brooch features an ornate filigree scroll design surrounding a central green cabochon stone

This is a vintage Mexican sterling silver brooch featuring an Aztec or Mayan calendar design.

It is stamped "HECHO EN MEXICO", "STERLING 925", and includes an "Eagle" assay mark, specifically Eagle #28.

The piece features a circular, ornate filigree or basketweave border and a pin back, and it may also function as a pendant

The retail value for this vintage Mexican sterling silver filigree brooch generally ranges from $25 to $100, depending on its size, weight, specific hallmarks, and overall condition. Similar mid-century pieces featuring green onyx, agate, or chalcedony cabochons frequently sell across major platforms