Take this photo, for example, shot by jesspgh's friend carleton during the run-up to the big anarcho-vegans & law enforcement officers get-together at the G20 summit in Pittsburgh [via]:

A Juddian plywood box is set to be sacrificed to the wheatpasting hordes gathering near Carnegie Mellon University in order to protect the delicate patina of Carnegie, Richard Serra's massive Cor-Ten steel slab sculpture at the entrance to the school's art museum.
Which reminds me, if anyone has a good source for great vintage NOS plywood, please drop me a line.