Antique Pre-Columbian Mayan Stone Celt Axe Post Classic 900-1500 AD

Antique Mayan large celt axe from the Post-Classic era (900-1500 AD) is a true masterpiece of pre-Columbian Mesoamerican craftsmanship. Carved out of black-grey hard stone, possibly serpentine, this axe features a massive expanding form with a sharp cutting edge, making it an impressive and formidable weapon. 
CONDITION: Shows its age and use, some minor chips to the cutting edge, otherwise in good condition.
The stone appears darker in real life than in the pictures due to the use of strong lighting to capture the stone's details.
DIMENSIONS:
Length: 16 cm ( 6.3 inches)
Width in the widest point: 5.7 cm (2 1/4 inches)
Weight: 610 grams (1.345 Pounds)
PROVENANCE: The object came from a private Canadian collection of antiques and was sold by a reputable Canadian auction house in the 1980s.