I don't have any of the item equipped on any character, nor do I have any partially-opened chests in any of the chest shops. I just got finished selling all of my excess equipment, and this is the only "extra" item left. I have no idea what's going on...
Do you see 3 in SP and MP keeps? Did you check all four chest shops and made sure they're all reset? And go through your inactive chars once more just to be sure.
You do have one copy of that item equipped to a character in your MP party. What context are you looking at your collection in? (i.e. MP keep, SP keep, etc)
Erm, something very fishy is going on, because it now says x4 everywhere. >_> I had checked this in both Skarl's Seconds, and in the MP Keep. I swear that I checked all my inactive characters too. The fourth only appeared after I loaded in another team for a league, and then loaded back to my regular MP team. *shrug*
I could certainly believe there's a weird issue there. Next time you see it, let us know and I'll check what the DB thinks is going on again.
Figured it out: items equipped to inactive characters are not included in the item count until they have been made visible by paging to the character sheet on which they appear. To illustrate - pretend you have one of two Vibrant Pain equipped on a dorf warrior whom you've sidelined since the balance changes. 1) Enter Randimar's, who has a shiny Vibrant Pain on sale! - hover over your second Vibrant Pain = x1 - hover over Randimar's Vibrant Pain = x1 2) Page to the inactive dorf warrior so you can see his equipment. - hover over your second Vibrant Pain = x2 - hover over Randimar's Vibrant Pain = x2 Same thing happens in the keep. Note that items equipped on your second and third active characters ARE counted without having to page to them.