My Midnight Black has a serial prefix of BBU, so BBV is very likely a Mid. Black also.
I know for a fact they came out in 1989, because that's the year I joined the Sheriff's Dept., and I bought a Mid. Blk. for my duty revolver. They had just come out, when I ordered it.
If you do a search of the forum here, you'll find a couple threads from about a 6-12 months ago where I posted some pics of mine, after it had rode on duty with me for about 5 years (before we switched to semi-autos).