What determines the value of an item

It really depends on the item and how much it is valued within the owner of the people. For example a lebron james jersey from the store and one he wore in a game, the one that would be valued more is the one he wore. It could also be the background of an item an what the item has been through such as vintage collectibles and antiques. You could also say that the condition in which the item is in, there are many ways that can determine the value of an item