$900.00? What the heck is that guy smokin', and why didn't he save some for the rest of us? That price is just nuts. I bought a pristine Model 13-3 a few years ago, no box, no documents, no original grips. I wanted it for a shooter, and I paid around $400.00 if memory serves me correctly. I normally take the Blue Book prices with a huge grain of salt, but I believe that a price range of $400.00 - $500.00+ depending on condition, accessories - including the original box, documents, etc. is reasonable.
Regards,
Dave