There is no such medal as what you have described.
May I suggest that what you mean is a Distinguished Conduct Medal awarded to a member of the Princes Patricia‘s Canadian Light Infantry.
If so this is a round silver medal with an ornate scroll clasp on top, the front of the medal has a image of King George the Fifth, it‘s reverse has the embossed legend "For Distinguished Conduct in the Field"
The ribbon is three equal stripes of crimson-blue-crimson.
Jock in Sydney