The blueprint that Cooper and the Sherrif studies in order to raid One Eyed Jack's. Unique. A one-of-a-kind piece of history from the series.

There are technically "official" and "unofficial" reproductions of this item. The "official" ones were reproduced by the series crew for distribution and use on the set. They were then sold at a prop auction in LA.

However, I find it impossible to distinguish "official" copies and copies someone makes off the neighborhood Xerox machine.