Mayan Calendar Vintage Pendant and Earrings Jewelry Set, Blue Enameled with Inlaid Opal, Mexican Jewelry

Mayan Calendar Vintage Pendant and Earrings Jewelry Set with blue enameled edge and embedded pieces of lab created opal. The metal is silver tone alloy. There is a pendant and pair of hook pierced earrings in the set. The pendant needs a chain. Chain not included. 

• Size:  Pendant is 3/8" in size not including the bail. The earrings drops are 3/4" in size. 
• Type: Pre Owned Retro Vintage from the 1980's. 
• Condition: Darkened patina. Enamel and opal chips in good condition. (Earring wires are cleaned and sanitized with isopropyl alcohol).
• Materials: Silver tone metal alloy, resin enamel, lab created opal pieces. 
• Markings: Partially marked Mexico on the top of the pendant bail.