And just to be the one to mention it, any decent fabrication shop could make an exact duplicate if given access to an original, and could easily fake the patina or distressing to to add to the believability of said item. Of the rack anyway. The tank could be a bit more difficult, but being as it is the early tank, without the detail that later tank had, a good metalworker could probably pound you one out with some heat and the right hammers.