The 2 tall shot glasses still have the plastic sticker on them so I think they've never been used. On the bottom of the Jack Daniels glass is a honey bee. The stainless steel flask has no odor so I believe it's never been used. The shorter Jack Daniels flask smells like alcohol, so it's been used. The taller flask would need a good cleaning on the inside if it was to be used.  Not sure how easy that would be.  The small white glass from Las Vegas says "Rx - One shot every 15 minutes till no pain is felt. Signed Dr. I.M.High.