This mask is considered to be uncommon among collectors, so these are one you want to buy! They have not been produced since the 1970s, and we have only seen very few for sale on the open market. We have been told that soldiers referred to these as the "Monkey Mask" due to the way it looks.
ABSOLUTELY NO EXPORT SALES. Do not even bother placing an order if you are not in United States. By placing an order, you have agreed that you will not export this product without proper export license.