Not like any of the usual frame numbers on my other rigid G series.

25 CW

146/56

can anyone through any light on it please.

The 146th rebuild during 1956 by No.25 Command Workshop ?

http://british-army-units1945on.co.uk/royal-electrical-and-mechanical-engineers/command-workshops.html

thanks Rik very interesting indeedi I take it there are more examples of this?

only asking as this is the first time I have come across it.