Almost sounds like the chest/barrel bug in <img src="/ubbthreads/images/graemlins/div.gif" alt="" />.
When you pickpocketed a npc and stuck it down the barrel/chest he wouldn't notice it at all. <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" />
Walk outside the store put all on floor picked it up again and sell back.

Although its a bit <img src="/ubbthreads/images/graemlins/offtopic.gif" alt="" /> <img src="/ubbthreads/images/graemlins/tongue.gif" alt="" />

//Inel.

Don't play when you have a mushroom phobia! o.O xD