I've experienced paper LSD that was older than many of the posters here. The again not printed side of the sheet oxidized to Nearly black colour but nonetheless worked. I don't find out about liquid, but blotters can past twenty+ many years if saved air limited. DMT includes a Substantially http://kylernoyfz.webbuzzfeed.com/16012083/how-much-you-need-to-expect-you-ll-pay-for-a-good-buy-liquid-lsd