Sounds like this could be a block of seats purchased by a broker and sold through StubHub or something like that.

Here's a resale policy that the much disliked and recently departed AD at the University of Texas implemented:
http://www.texassports.com/sports/20...304151739.aspx
This didn't go over well with the faculty at all regarding their discounted tickets, and many season ticket holders were displeased, too (although this was but one more log in the proverbial fire on which they roasted him).