The Artist Series Box Set No. 11-20 includes sheets from the following artists:
Charles Wilkin, Mike Savage, Bráulio Amado, Melody Owen, Jeff Keedy & Ian Lynam, Jennifer Armbrust, Shawn Wolfe, Na Kim, Ryan Bubnis, Eric Mast
Commemorative poster stamps are artifacts from another time. These miniature bits of advertising were popular in Europe at the turn of the century. Their appeal, utility, and popularity quickly grew, becoming ubiquitous in the United States in the 1920s.
