MonkeyCard

MonkeyCard is a Palm OS program for sending postcard-like messages, developed by a company named Primate Systems. It apparently has a graphics format associated with it.

Software

 * MonkeyCard demo software, from archive.org and Tucows
 * XnView claims to support MonkeyCard images, but it's not clear what form it wants them to be in.

Sample files

 * samples01.PDB from the demo software (unverified)

Links

 * 2001 archive of MonkeyCard website