Model 37 - Bobbed Hammer? UPDATED 10-25-12

[clance]

Back around 2000, they made a run of bobbed-hammer DAO 37-2 revolvers. The story was that they were for a foreign police organization, and that those sold in the US were either overruns or the result of an order cancellation. They had no lock, color case hardened forged hammer and trigger, matte finish, and are +P-rated even though they were built on the "pre-magnum" frame. I got one, and it is one of my two favorite carry guns. They are the only DAO bobbed-hammer guns ever sent out that way from the factory.

I just found a used 36-2 ($350) with matted finish, case color bobbed hammer (DAO) and wide combat trigger. My question is how do you tell whether or not this is one of those over-runs that is +P rated?

Serial number is: BDW3XXX and appears to have not been shot very much do to only a slight scoring by the cylinder stop on the cylinder.