No, the Leatherfoot Raider Skullcap with the charge of Ring of Commons is not the item needed to turn in for Innoruuk Recommendation. The p1999 wiki is pointing to the wrong item on that page.
There are three different items all with the same name.
One is the quest reward for turning in the four animal skins,
http://everquest.allakhazam.com/db/item.html?item=49992
One is the quest reward for turning in that skullcap with the dragoon dirk,
http://everquest.allakhazam.com/db/item.html?item=1425
And the third are the skullcaps dropped by various halflings,
http://everquest.allakhazam.com/db/item.html?item=4237
The allakhazam link to the quest is
http://everquest.allakhazam.com/db/q...tml?quest=8094
Click on Leatherfoot Raider Skullcap under quest items and it shows
http://everquest.allakhazam.com/db/item.html?item=4237
Those are the skullcaps dropped by the various halflings.
Yes, they're also used for Halfling Raider Helms in Neriak Commons.
If the dropped skullcaps aren't working, the quest script is wanting the wrong item id.