I emailed them about it as I'm curious just how different they are from standard V30's, and they replied that they sell them! So I'm gonna order one or two for my 212, as it's overly middy, and I'd hope the mesas are smoother, as I remember them.
Mesa Wear Product Directory
Mesa Boogie Hollywood — Celestion Vintage 30 - 60 Watt - 12" Guitar Speaker
I'm sure a lot of you may know this, but this is big news to me.
Welcome to 2015, where everything is for sale