Particulates Matter Mail Art Exhibition
Earth Day
April 22nd 2009
California EPA Headquarters
1001 I Street
Sacramento, CA 95814

Thursday, August 7, 2008

Wacky Stuff - BC, Canada

A big thanks to Wacky Stuff for his contribution of these lovely 2.5 cm X 2.5 cm artist's stamps.

Friday, August 1, 2008

William L Philyaw - KA, USA

A visually stunning digital print from William Philyaw highlighting industry as a source of PM and pollen as a component of PM. The postcard was shipped inside the envelope pictured at the bottom. Kudos on the vintage stamps as well, William.