Stolen Items Recovery Specialist

I'm seeking an experienced researcher or coder to help locate three stolen items of sentimental value. These items were listed for sale between April 15 and June 30 on various platforms.

Requirements:
- Search through history files of:
- Facebook Marketplace
- Craigslist
- LetGo
- Local trader sites (I will provide a list)
- Use of garage sale, flea market, and for sale websites

Provided Information:
- Photos
- Serial numbers
- Detailed descriptions

Ideal Skills and Experience:
- Proficiency in online research
- Familiarity with multiple selling platforms
- Attention to detail
- Ability to work independently and provide regular updates