!" up from the front crease, 1 1/2" over

Which insignia did you have in mind, since there's a few different insignia worn? There's rank insignia, branch insignia, and regimental crests.

Lieutenant Colonel insignia is identified by a Silver Maple Leaf.

In the US Army it is a cluster of silver OAK leaves.

In the British army it is a crown and a single 'pip'.

Sergeant Major of the Army

Five Stars indicates the rank of the French soldier and near as I could determine the number 5 is either the force or infantry unit they serve in.