Vintage 1975 Marx Bros Blacklight Poster Dynamic Pub Co admin November 20, 2024 vintage blacklight, bros, dynamic, marx, poster, vintage Vintage 1975 Marx Bros Blacklight Poster by Dynamic Pub Co Medina Ohio. The poster is in nice condition and is 32-1/2″ x 21″ in size. Minor Pinholes in each corner. Contact with any questions. ← Previous post Next post →