Faz 1959 made L1A1

[enbloc8]

What are the odds of an example surviving in perfect condition from the early years of a weapon that had a long and VERY busy service life. (Of course there are exceptions, but still....)

And I have never even heard of a UF-marked TMH turning up over here in the US. If any existed, I expect word would have gotten around, even as simple as a picture of one posted on a forum asking "what builder is UF??"