Here's a neat cover I picked up recently. One of the more appreciated perks our Armed Forces enjoy in areas of conflict is the Free Frank privilege.
It's real simple.
Be stationed in an area which has been determined to be a combat or designated disaster zone.
Write "Free" where the stamp goes and have it postmarked by the appropriate APO/FPO.
No stamps are required.
So, what's up with this cover?

There have been attempts, in the past, during various conflicts to get stamps created for this type of use. Some of them have gotten their creators in hot water.
The first example I'm aware of is the U.S. Army Free Mail stamps which I believe originated around the time of the Spanish-American War or WWI period. Here's a couple examples of those:



These are the three colors used. They came perforated and imperforated. And some were used, as shown by the brown example with postmark.
Then there's the one which landed a couple of stamp dealers in hot water. Here's the stamp used on cover:

And here's the report of the conviction of the two stamp dealers who distributed them:

Back to the original cover from Haiti. Does anyone have any information about this or have any of you seen one before?