The camoflauge the Sergent is wearing is very similary to the Austrailian pattern. The next problem is where to get Austrailian military camoflauge in the USA or Canada. I have no idea. Maybe Rob can get it for a reasonable shipping cost.
Also, the color and pattern is similar to duck hunting camo. Take a look at a Cabela catalog. The duck hunting pattern has finer spots and detail.
The pattern is also similar to the Canadian airborne jump smock I have. Unfortunately, these are hard to find are collectors items. This regiment was disbanded in disgrace. Local surplus stores are selling the smock for 175 dollars.
A recent search to add some camo to my clothing options exposed me too a lot of different patterns.
Will