Norwegian nature photographer Kjell Bloch Sandved has found every letter of the English alphabet on the wings of butterflies, as well as numbers 1 - 9.
(http://www.butterflyalphabet.com/names/index.php
I don't know, dude... looks a little pho-sho'd to me. You could use it to make the most passive-aggressive extortion letter ever,
but that would be very wrong.