I don't think I'm qualified to rate them on that basis; however it's a rare item that you can only purchase on the island. I don't have the catalogue yet, but I thought you couldn't catalogue island items? Someone plz correct me if I'm wrong XD
The hammer is classed as a tool, and therefore doesnt show up in the catalog.
Okay, but maybe next time, don't involve yourself in an auction before you decide to shop around.