I was looking for a lens board for a 240mm sironar with copal 3 shutter and found this:
http://cgi.ebay.com/Lens-Board-Copal...ht_1292wt_1141

The seller is from hong kong and has lots of boards on sale. Yet from his answers he states that he doesn't know whether the boards are authentic or not. Do you think it matters? And what do you think about the price?