Well he gives a prcise description of the 94th being mobilised and of duties in SA but I can find no trace of a J Dawson in either the 21st or the 94th.
He claims to have the SAGS medal which is a bit of a mystery unless he enlisted under a false name.
[You must be registered and logged in to see this image.] Portadown News - Saturday 24 February 1934