Menstrual Cramps
To be honest, that would be really cool actually. This would insure that the current stockpile of tickets gets used so a new fresh stock can be dumped back in. Anything not used by a certain date is void. Maybe it's redeemable for a flat amount of gold if not used? (nothing too high but modest)
I might need to write that Idea down to ask at the next AtS
after all the RiG art Items have expiration dates.