Shop › Bison of Denver Poster Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 Bison of Denver Poster from $18.50 Museum-quality posters made on thick matte paper. Size: Select Size 11″×14″ 12″×16″ 16″×20″ 18″×24″ 20″×24″ 24″×32″ 30″×40″ 8″×10″ Add To Cart Added! Museum-quality posters made on thick matte paper.