ERR Mexico Sterling 925 Brooch Pendant Carved Aztec Warrior Face Green Onyx?

VINTAGE MEXICO STERLING PIN/BROOCH CARVED FACE OF WARRIOR .925 STONE MATERIAL UNKNOWN FOR APPROXIMATE SIZING/MEASUREMENTS I HAVE PROVIDED A PHOTO WITH A STANDARD RULER. JEWELRY HAS NOT BEEN CLEANED! Jewelry is used and many times very dusty/dirty.   I do not clean or sanitize the items before selling in order to avoid damaging the pieces.   Please be advised your item will likely need a deep cleaning. *** PLEASE READ EVERYTHING BELOW *** *TERMS OF SALE* YOU ARE PURCHASING A USED ITEM PET FRIENDLY HOME we are animal lovers.   If you have allergies to dogs and cats or dog/cat hair.   Please do NOT purchase. *** *PLEASE VIEW ALL PHOTOS*  Condition of used items will vary.   *** EXPECT NORMAL WEAR AND TEAR AT A MINIMUM Normal Wear of vintage, and used items may consist of:  MISSING GAME PIECES, MISSING BOX ,SURFACE SCRATCHING, COLOR LOSS, STAINING, ODOR, MARKS, WEAR, WRITING, PEN AND PENCIL MARKS,  SCRIBBLES, SCRAPES, SCUFFS, SCRATCHES,  SURFACE WEAR, PAINT OR TONE LOSS,  CHIPPING, CRAZING, LUSTER LOSS,  TEARS, WARPS, RIPS, HOLES, DUST, SMUDGES, PEELING, CREASING, DENTING, ETC!  LOOSE GEMS, MISSING STONES, TARNISHING, GLUE RESIDUE, TAKE A LOOK AT THE PHOTOS FOR THE BEST IDEA OF CONDITION! Any Major damage will be photographed and sometimes noted if especially significant. PLEASE NOTE:  I am a collector and reseller,  My items are purchased through estate sales & second hand stores.  I cannot guarantee