https://originalconcertposters.org Tue, 20 Oct 2026 16:05:42 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://originalconcertposters.org/2026/10/1974-michigan-free-concerts-poster-gary-grimshaw/ https://originalconcertposters.org/2026/10/1974-michigan-free-concerts-poster-gary-grimshaw/#comments Tue, 20 Oct 2026 16:05:42 +0000 https://originalconcertposters.org/2026/10/1974-michigan-free-concerts-poster-gary-grimshaw/



Rare vintage concert poster created for Ann Arbor’s Free concerts series at the Otis Spann Field in Ann Arbor, Michigan on June 16, 1974. Unlike others, The Michigan concert posters were printed in VERY small quantities making them extremely rare to find.

]]> https://originalconcertposters.org/2026/10/1974-michigan-free-concerts-poster-gary-grimshaw/feed/ 0