Here's a new riddle that hopefully won't be so easy, but I may be proven wrong.
You need to send an important object to a friend in Russia in a locked box but you cannot send the key separately or along with the package or else the KGB (Russian secret police) will confiscate it. How do you do it?
NOTE: The correct answer has been guessed. To read it, see the Comments section.
Lateral Thinking Puzzlers by Paul Sloane has lots of classic riddles, clues and answers. Click here to order it.