Soo I just tried to look up Delusion on the TP, and it’s no longer there. Then I looked at spidey, and saw this:
http://www.gw2spidy.com/item/27488
Look at how the item plummeted into not existing on there right after the last patch. I can only assume the same thing as with Immobulus and some other weapons happened, it’s no longer tradeable.
Fix. Your. Stuff.