OK, I know there is a section in the FAL bible about the 2 versions of "match FALs" but I can't find it in the index. There is also a picture of one version with match sights, but I can't find that either!
There is a section (which I did find) covering the "G" series & the BATF tales of woe which covers the series in detail & none of them were imported by Stoeger.
ALL the "G" series were imported by Browning Arms Co. of St. Louis, Missouri, & Quebec.
There were also a run of non "G" rifles with the same features, but these were imported by Steyer and marked as such.These are all made on a type 3 receiver and if it is one of these make 100% sure you have a BATF letter with it as
the whole series was to be judged as legit or a machine gun on an individual basis by the ATF! This run was 2,000 rifles so again rarity make for money to collectors.
My best guess at this point is that , if the only thing making the rifle "match" is the engraving then as "BigBoy99" says it is just a way to de-evilify the rifle. If it has add on match sights (like a front sight at the end of the barrel in a high tower & a matching click-adjustable rear peep) than it is rare & so collectible. These sights are immediately obvious not a subtle thing.
Failing that is the receiver maybe an actual FN-Herstal made one that is not part of the "G" series? That would make it more valuable than a US built one with a non-FN made one.
If it was (& there are some a friend of mine owns one) the scarcity & fact that it is a "REAL FN-FAL" would bump the collectible value. Check what is written on the receiver in detail if it says
"Fabrique Nationanl De Armes De Geurre, Herstal, Belgium" then it is rarer than most, but I'd think it way over priced if that were it's only scarcity.