The headstock is Gibson style, It has a Telecaster style switch plate and it looks like the bridge/tailpiece is strange. It looks like there is a Mosrite style carve in the headstock as seen at 0:07.
http://www.youtube.com/watch?v=XXhY1GX5 ... ted&fmt=22
Also, I thought for a bit the bass in this other video was the same one but it has a different headstock, different bridge, Etc. I don't know but if the bass in question can't be identified perhaps Colin modified his Basses? (Unlikely)
http://www.youtube.com/watch?v=0yiknQ9xyJk