But remember that if it is less than 3/4" thick, it could have been bought at Grossman's and then planed to thin it and give it the textured feel of old wood. Another area to watch out for is hand smithied tools.
There is something of a revival of blacksmithing going on right now.
Nuts are more common for antiques, while screws are a newer convention.
Also check to see if the hardware has been replaced: usually there will be marks or holes on the wood around the hardware.
Or aim a flashlight as if it was a Star Wars blaster?