I've captured a few from this person, but expect there will be many more.
"To order your Classic Tag you will need:
- A scan / or digital photo of original tag
- Year Model & Series - Hardtop, Coupe, 2dr, 4dr, wagon, conv, etc
- Body numbers - production numbers from where body was built (may require VIN numbers)
- Trim numbers - interior fabric type & colors
- Paint numbers - body colors"
They're not limited to Camaro's either.