Mysterious Old Boxes

The shopkeeper told him that he still have some boxes left in the storage room if he wants to check them out. Randy was more than happy and he agreed on checking them out. Randy saw the boxes but he wanted to check the other boxes that were bought by those two strangers. The owner was very desperate to sell something and he asked the other two guys to show Randy some of the boxes and they agreed. Before that Randy wanted to go through the boxes that owner brought from the storage. Now, what’s that?