It looked like Rocky was on his way back to the Philadelphia Museum of Art, but that may have been a pipe dream. Recently, “the half-ton bronze Rocky Balboa – a prop made for Sylvester Stallone’s 1982 movie ‘Rocky III'” made it partway through the approval process. “A dedication of the new site was tentatively scheduled for Sept. 8. Stallone … was ecstatic. But the city Art Commission yesterday threw a bucket of cold water in the face of the whole giddy affair.”