[agere_contra]

Weapons grade caesium is used in, err, weapons-grade photoelectric cells. Dangerous stuff.

Any traded weapons might have gone subcritical due to shelf-life. In which case 3 million is a lot for a paperweight.

[JSteff]

"Any traded weapons might have gone subcritical due to shelf-life. In which case 3 million is a lot for a paperweight."

Sub-critical does not mean no longer dangerous.