Immense Mayan copper brass and jade articulating bib necklace

This is definitely an eye catcher and conversation piece featuring a large carved Mayan jade face with crown and earrings suspended from 3 articulating copper and brass plates each adorned with 3 beads
The plates each measure 3" across x 1" tall the face pendant measures 2.25" tall x 2" at widest point
The entire bib section measure just shy of 7" tall x 3" wide
The handmade chain is 10.25" on one side on the other including hook is 10 5/8" long for a total of 20 7/8"
Measured end to end is 23 7/8"
Measured down from middle when closed to bottom of earrings is 16"
Wearable length is about 32"
Hallmarked Mexico on back
Weighs 138.8 grams
The green, golden tones in the beads are just gorgeous
Great condition, some patina
A beautiful piece for your Mayan collection