From the 1940s onward, the fashion world embraced the elegance of iconic photographer Irving Penn’s highly visible commercial work, but it sometimes took longer for his personal projects to gain traction. In the iPhone era, his investigation of the wonderful in the banal seems prescient, especially in this particularly charming shot of an eerily face-like wad of chewing gum found on the city street. (At Chelsea’s Pace Gallery through March 5th).