How do you date an old wooden chair?

0:492:52Establishing The Age Of An Antique Chair - YouTubeYouTubeStart of suggested clipEnd of suggested clipUpon closer inspection on the back rail here. You can see just by slightly wetting the wood at theMoreUpon closer inspection on the back rail here. You can see just by slightly wetting the wood at the back you can see the maker stamp appear basically and its always good to sort of slightly wet.