If you're looking to invest in some extremely foreign currency, try Jon Heilman's Battlestar cubits. Sure, they're only replicas, but how else will you impress those Twelve Colonies high-rollers? Also check out Jon's time map, from Terry Gilliam's Time Bandits.
Here's a closer look at those counterfeit Battlestar cubits...
...and the detail on Jon's time portal map from the cult classic Time Bandits.
Both are available from Metropolis Graphics at the Boing Boing Bazaar. The cubits go for $10 for the set and the 40" x 24.5" canvas replica map costs $100.
[via Boing Boing]