Process of elimination, mainly. Fox apparently had a 4CLT as well as the F2 Plate-Maseratis (and three newer monoposto Maseratis). Carstens bought the lot, and it's not altogether clear which two went to Maxson. From US sources, there is reason to believe one of them was a pukka 4CLT
That is most interesting. However there is a conundrum in that chassis 1598 has appeared in recent years as a proper 4CLT having been allegedly discovered derelict in Brazil.
Out of interest what were the " three newer monoposto Maseratis" you refer to?
Edited by Dutchy, 15 May 2013 - 16:20.