Here we have a WW2 training Morce code signaller.
This has an applied plaque for L.M.K. Manufacturing co Ltd, London, serial number 13807.
There is some othjer engraved text on thebutton arm "No.2 Mk II LMK 1942"
There is some fraying/missing sections to cable protective sleeves.
Generally in good order for age of item and usage.
Length 21.5cm, width 11cm.