So,.nothing on the back of the shirt. I think the Mr. Brief shirt was deadstock that was used to screen the image during the Hamilton Copps show in the spring of 1990. I cannot find another shirt like it, although I've seen the image on a sign and ticket I believe. Thanks.

Hi all, I'm looking for help identifying a vintage Grateful Dead shirt from one of the rare stops they made north of the border. Based on the research I've done I believe Ive narrowed it down to one of the Kingswood Music Center (at Canada's Wonderland) shows

​June 21, 1984: They played a "Summer ...