Felt Blacklight Stoned Agin R Crumb Poster 1971. The item "VINTAGE CRUMB STONED AGIN BLACKLIGHT POSTER 1971 WEED 420 MARIJUANA HEADSHOP NOS" is in sale since Monday, October 14, 2019. This item is in the category "Art\Art Posters". The seller is "chicagothriftking" and is located in Chicago, Illinois. This item can be shipped worldwide.