Can anyone help me?. I have a small black and white photo of my grandfather in his Royal Flying Corps uniform, with a group of other RFC men (7 in total). There are 2 sergeants, 1 corporal and 4 privates, one of which is my grandfather. The photo is made as a postcard. My question is; my grandfather is the only one wearing a medal ribbon on his left breast. The photo is poor, so nothing can be read from it as to identify what it is. All I can tell is that it is light coloured in the middle with dark edges. Why is my grandfather and no-one else wearing a medal ribbon and what could it be? He ended the war as a corporal and was an 'air mechanic' by trade. I have no idea when he joined, but I very much doubt he volunteered and he was probably called up (1916?). I have tried the medal card records and RAF Records all with no luck. Can anyone deduce why he has it?? Thanks.