Amidst the high-end Miami Design District, visitors can find an incongruous sight tucked away on a side street. A gas station billboard painted a dull gold lies tilted on its side, still flashing its advertisement for Sunoco gas. This structure isn’t a discarded product of the past, but a public artwork entitled Dollar a Gallon III, one of the final works of American polymath Virgil Abloh. Abloh’s career crossed many boundaries between the worlds of fashion, art, music, product design, architecture, and business. Born in Rockford, Illinois, as the child…