http://www.lysergia.com/MerryPranksters/MerryPranksters_post.htm <http://www.lysergia.com/MerryPranksters/MerryPranksters_post.htm> Not much info on the Acid Tests themselves but the best (and only) site I've seen that's devoted exclusively to acid test posters. BTW, I got the link from an ebay auction by Zane Kesey - he's auctioning off a mint condition 11 x 17 poster for 8/27/72. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=29920&item=382767617 0&rd=1> &category=29920&item=3827676170&rd=1 Iver