Brand New Shirron Ventmatic Faucets found them while cleaning out my old office, I know they are currently being made and probably wont go back in production for a long time. I have a set of two and set of three for sale on ebay.
http://www.ebay.com/itm/111372158744
http://www.ebay.com/itm/111372330701
http://www.ebay.com/itm/111372158744
http://www.ebay.com/itm/111372330701