Personally, I would never pay $4.5k for a model 23 when one can easily find a Parker repro in 20 gauge for about that. I am now looking at a 20 gauge repro for less than $4.5k; 28 gauges are a coupla hundred to a thousand more. The 20 gauge weighs 6.5 pounds, has nice DHE style engraving and good triggers.

IMHO although well made, the model 23 has none of those things and are really overweight and klunky.
Each to his own poison I suppose.
YMMV