Return To Castle Wolfenstein -

(which includes Enemy Territory ) can be found on ranging from $14.99 for complete copies to $100 for rare gatefold editions.

If you are looking for a physical "piece" of history or art related to the game, there are several high-quality options: Return to Castle Wolfenstein

In the game itself, you might be looking for specific items or "pieces" required for progression: (which includes Enemy Territory ) can be found