Majority of the boards were used by Tabula Corp when developing their devices. I think, many of these boards were not mass produced and for many or most it was special order for test/engineering sampling purposes but that is just my guess.Many boards have lots of pins and gold plated connectors, there are some blank boards as well but many (I think well over 50% of the boards have these special connectors which makes it even more attractive). About 60lb or so came from other Telecom Equipment and older servers. TelNetLiquid LLC is dedicated to earn your business by better servicing your needs regardless of your budget size. If other folks can do it, chances are, we can do that too but even in a BETTER way. The item "450lb Circuit Telecom Server FPGA Test mother Finger Boards Scrap Gold Recovery" is in sale since Thursday, April 23, 2015. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\Server Components\Server Boards". The seller is "telnetliquid-llc" and is located in Silver Spring, Maryland. This item can be shipped to United States.