Missing parts replaced, but never powered on.
It was missing a lot of parts and soldered in components matches other unpopulated boards known to have been scavenged from lab or Steve's office - draw your own conclusions, but I think it came from that pile.
Plastic film decoupling capacitors.
Mike Willegal has a comprehensive component list for this board detailed in spreadsheet.
Now owned by proprietor of www.oldcomputermuseum.com website.Restored to operating condition.
Sometimes in 2000's signed by Woz.
Reported to have been found in garage sale by Monroe!Sold for $17,000 in Ebay buy it now auction #320431509242 in Sept 2009.
ACI, Operation Manual, Schematics, Stancor power supply.
Later signed by Woz (signedbywoz.com).
Dec 07, 2018: Auctions added