"11914 L./C. J. Kellet, North'd Fus. (Broomhill)."
London Gazette 12th December 1917. 100 years and 5 days ago?
https://www.thegazette.co.uk/London/...pplement/13014
Don't think we've come across this chap before?
Did you find out what the events were that won the medal?
I think that publication date is a little early for Passchendaele