This is an amazing display of the saddest era of marijuana prohibition. I came across it on StumbleUpon, and it originated on 420tribune. This stuff is ludicrous, but it is important to know the history in order to know the solution:
(Source: SmoothJazzy)
(Source: hashish.net)
(Source: Movie Goods)
(Source: CoverBrowser.com)
(Source: CoverBrowser.com)
(Source: AtomicPinup.com)
(Source: MarijuanaLibrary.org)
(Source: FreedomActivist.net)