Illustrations Let You Turn Aggravating Coffee Stains Into Works Of Art

These postcards were created with a double shot of brilliance and a latte of creativity.  Singapore-based artists Li Jun Pek, who uses the pseudonym "Ink Julep," and Jenn Perng have created postcards with artwork that can only be completed with the addition of a round coffee stain from your mug called "PostCups." The result? Stains your pen pals will actually love.  The pair, who work in advertising and have taken on this project on the side, have come out with 7 different PostCups which a...