I've been in the Society for Creative Anachronism, a medieval recreation group, for years now. Here are some of the projects I've worked on. You'll find more examples at Dreamwidth, on Flickr, and in the Medieval Names Archive.

Laurel Ceremony
Medieval Names Mottoes, Emblems, and Imprese
How to Read a Latin Dictionary
  Calligraphy and Illumination Egyptian Socks