the oldest rolls i have are a couple of green buddhas from 2 years ago they look fine but idk if they will work the same
years i knew a kid that had e pills from the 70s said they were fucking awsome just put em in a prescription pill bottle
Alexander Shulgin said if mdma lasted in the time of pharaohs, it would still be good today. So pretty much mdma will have around the same potency longer than a humans life.