Psychedelic Art Exchange

Psychedelic Art Exchange is a collectibles business based in Baltimore, Maryland, focused on vintage concert posters. It holds concert poster auctions, runs a poster store and offers a way for people to sell their posters. The business also publishes a poster price guide and a blog about collecting.

Its offerings include modern and vintage concert posters, rock memorabilia, vintage clothing, collectible comics, prints, original art and limited editions. Graded posters are part of its work, and it offers a 100% buy back guarantee, tracked shipping and international shipping. Founder Glen Trosch has expertise in 1960s pop culture collectibles, including rock concert posters, comics and rare books.