The Portland Stamp Company's Artist Series is an ongoing collaboration with invited designers, artists, and writers who create original work for an unusual form: the poster stamp. The poster stamps are printed on lickable, gummed paper and pinhole perforated by hand on their vintage machines.

The set includes two sheets of digitally printed stamps, each with a distinct design. The bicentennial star sheet includes 25 stamps and the watermillion sheet comes with 12.

Packaged in an eco-friendly, vegetable-based cellulose protective sleeve with chipboard backing.

Please Note: This is not actual US postage, but a series of artist-created stamps intended for both adornment and collecting.