This vintage cloisonné enamel heart locket stick pin

Materials: It is made of base metal with a gold-tone finish and cold or kiln-fired enamel work. If any hidden maker's mark indicates it is sterling silver or filled gold, the value would increase. 

Condition: The enamel on the front appears glossy and fully intact without visible cracks, chips, or deep scratches. The hinge and snap closure functioning tightly is highly desired by collectors. 

Age: Pieces featuring this specific bright enamel aesthetic and gold-tone framing were widely popular from the 1970s through the 1980s

Based on secondary market data for similar items, the estimated value of this vintage cloisonné enamel heart locket stick pin is between $15 and $30.