That’s a Vintage Star Wars Boba Fett (Kenner) figure from 1979–1980, loose. This is one of the most collected Star Wars figures ever, so condition details matter a lot.

Based on what I can see in your photo 👇

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What You Have (from the image)
• Kenner Boba Fett with Blaster
• Appears to be painted chest insignia (good sign)
• Moderate paint wear on helmet and armor
• No blaster shown
• Cape not visible (this is important)
• No obvious cracks in torso (excellent — Fett is notorious for torso cracks)