And before anyone asks how I know that this is in fact an #Apple1 #mainboard.

I did have the privilegue to touch one in person.

• Sadly I am not at liberty to say where exactly, but I can put people in touch with the folks that exercise custody over it...

Cuz it's in an 'open by appointment only' collection alongside a fully functioning #Apple3 so yeah, the folks want to keep it under wraps and avoid a #ComputerReset type scenario with a museum collection...