I saw this on Good Morning America last week. Apparently Hermes printed the pattern for the Kelly bag on their website a while ago and some women proceeded to make their own bags. In fact during the program the woman who made one of these bags took it to a Hermes store and had them fooled.
http://abcnews.go.com/GMA/Weekend/story?id=7488477&page=1
http://abcnews.go.com/GMA/Weekend/story?id=7488477&page=1