Possible Clues:

• It gets opened before some speeches
• Package produced in central Vienna gets Victor to take the honey and run!
• Even pole, strangely, can contain a letter
• Where a shopping list may be jotted down
• One gets in a flap at its opening time
• Container for letter
• Break even and run for cover
• Wrapper
• Postholder?
• Package produced in central Vienna gets Victor to take the honey and run