The stamp shape was created using Intaglio and svg2key. The postmark was done using EazyDraw. The letter was good ol’ Keynote.http://www.purgatorydesign.com/Intaglio/index.htmlhttp://mcb.berkeley.edu/labs/zusman/dave/svg2key/http://www.eazydraw.com/shapeimage_6_link_0shapeimage_6_link_1shapeimage_6_link_2

Stamp it!