blankcrows

Good project. When you get out to the west be sure to check out The MADE Museum in Oakland. The museum collection has over 5,300 games. It is a hands-on experience there with vintage and more modern systems on display and playable. My brother volunteers there and nurtures a lot of the older gear. https://www.themade.org

The white manuals were not issued with the gatefold boxes. Gatefold boxes had the smallish-sized black manuals.

"Coxed" is a term that has been used for marked cartridges. Named after some Cox signatures of course. Some old threads reference it.

Those PCB boards are much larger than 2600 size.