That’s a grail-tier figure for vintage Star Wars collectors—especially with the light green chest armor variant, which adds a subtle but sought-after twist to the classic sculpt.
You might want to check out:
The 1979 Kenner Boba Fett AFA 80 Loose Figure with Dark Green Chest. While not the light green version, it’s a close cousin and still highly collectible with the Hong Kong COO.
