Apparently my SC account can't post cause it's banned? ok..
Anyways, luckily with the AH we can reproduce this mod.
Check these out.
Compare to: http://us.battle.net/d3/en/item/simple-hand-crossbow
+2-4, +2-3, +1-2.. it all adds up to the same numbers.. On a static damage item.
Now here's the interesting part.. look at these two swords..
Now Compare to: http://us.battle.net/d3/en/item/twohanded-sword
Now this sword doesn't have static damage like the crossbow, it can change based on luck of the drop... but the interesting thing here is if you subtract that 2-4 damage (not the holy one) you get 11 max damage, which is lower than the possible max damage of the white sword.
Something is up here and I want to know what.. lol