Free Stamp by Claes Oldenburg and Coosje van Bruggen is located in Willard Park in downtown Cleveland. Typical of Oldenburg’s work, it’s a massive version of a mundane object: a rubber stamp with a handle, of the sort that might have once been used on the nearby office buildings.
Department of Everyday Visualingual 
giant mundane office / household items were frequently employed in old Batman comics, too.