The system is known as the “Toggle Switch” Apple-1 since it has an original Byte Shop case but has a toggle power switch and neon power indicator.
Partly visible stamp on the back. Maybe it was a round stamp with an "8" in the middle.
The unit was given to by the original owner to a friend in the late 1980’s in San Jose California. It was purchased from the Byte Shop in late 1976. He stored it in his attic until early 2016 when Corey Cohen purchased it and got it running in March 2016.
VCF East XI Apple-1 demonstration by Corey Cohen
Apple-1 powerup on the 40th Anniversary & Birthday of Apple
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Mar 31, 2018: Components