For sale is a Toyo Lens Board. It's marked Toyo-View and Made in Japan. Hole measures 53mm with my calipers. Board itself measures 3 3/4" X 3 7/8" $17 shipped in the US. $22 shipped to the rest of the world. Offers gladly entertained. Please PM me with any questions you may have. I've bought and sold a lot here and you can view my eBay feedback under jmooney776 if you'd like. I will happily ship overseas but please note I will be put accurate values on all customs forms. Items sold AS-IS, of course any major issues will be worked out. Paypal only please.