I've been obsessing about this for the past few months, trying to nail down as much info as possible, and I've decided that instead of writing my paper, this would be much more interesting at the moment. There are some holes in here, so it needs more info (from 1993 back). 1993 was the first season I have proof that the Flyers started using this particular font, which was used on the white jerseys up until they were retired in 2010, and also on the orange jerseys used until 2001: This