Where to find old planks like these?

[cem77]

Sandblaster, propane and a few hand tools create the right patina. That's how that table is made.

 

[DANNE_K_]

Here I found old planks when I was looking for firewood .
But you can't see if they are nice enough to use as a tabletop.

http://www.blocket.se/sodermanland/Ved_49128699.htm?ca=12&w=1