There was a whole thing about how, legally, LSD for personal use landed you in more trouble than LSD for trafficking, because the penalties are by weight, and that include the carrier paper for personal use, but only the crystals for trafficking.

EDIT: This was specifically addressed in 1993, in amendment 488 to the US sentencing guidelines. https://www.ussc.gov/guidelines/amendment/488.

This 1992 article from the LA Times details some of the consequences — https://www.latimes.com/archives/la-xpm-1992-07-27-mn-4335-s...