L.100. GV Army Meritorious Service Medal.
M2-100841 Mech. S. Sjt. S. B. Lunness  R.A.S.C.
Royal Army Service Corps
London Gazette 3rd June 1919 "in recognition of valuable service rendered with the armies in France and Flanders" - the Gazette initially recorded him as "Lumness", publishing a correction in the gazette of the 22nd November 1919.
matching official correction to surname "nn" also on the medal. With LG copies.