You have not picked an heirloom! And heirloom is a noncompulsory piece can be any one item from the
price list that is 50gm or less. This can be simple weapons, a favorite cloak, a set of calligraphy pens and ink, or perhaps a book. The one hard and fast rule is that it should be personally meaningful to the character.
Smuggling itself can actually be made up of several other skills, for example; Subterfuge to disguise an item as a harmless and divert eyes to other places. Intelligence to know where good points to move items in and out without authorities knowing. Stealth to be able to actually get in without raising an alarm or getting caught, and finally Larceny to allow one to break in and enter without causing too much damage.