Victory Medal named 2 LIEUT A G ROBERTSON.
There are two officers of that name.
Arthur Gordon Robertson was a Sgt in the 14th London Regiment numbered 3037 & 510441 before becoming 2nd Lt in the 2/14th London Regiment on 31st July 1917. Entitled to a pair of medals.
Archibald Garden Robertson was a 2nd Lt in the Royal Highlanders (Black Watch) attached to the 66th Squadron RAF when he was killed in action on 8th June 1917 at the Battle of Messines.