I have a Turner Reich triple convertible with the serial number RE0010 on both cells. The lens is an F 7.0 Series II, 12.4", 19", 25", mounted in an Alphax shutter. Anyone have an idea about the serial number? I don't think Gundlach used the Kodak CAMEROSITY codes or was even still in business in 1954. Maybe a prototype or a special run from the government? Any information from the great and the good would by appreciated.