This item can only be purchased from any Supplier.
There are no other in-game sources for this item - it cannot be made by players with the Prospector gathering profession, nor does it appear on any monster drop tables. This is unlike most other fantasy role-playing games, which require sourcing Tin as well as Copper in order to create entry level items, and is a common point of confusion for new players.
This item is used by an Apprentice Prospector as a component for the following:
View the Prospector Apprentice Recipe Index for more details.