There is no model number stamped inside of yoke. the numbers are G 156XX

It is a hand ejector model
38 special CTG. on right side of barrel.
Barrel is 5 inches long
5 screw design
Serial number on butt of gun is C 658XX

Any help would be greatly appreciated. I subscribed to the Bluebook of gun values and was overwhelmed with the choices.

.38 Military & Police revolver from about 1948. The C prefix numbers started in March of that year. These were among the earliest guns to have the high-speed hammer that characterized the second generation of postwar Military & Police revolvers. There was some overlap in the hammer use between these and the late S prefix revolvers.
Your revolver does not have a model number because those were first assigned in 1957 and started shipping in 1958. Eventually, guns like yours would be called the Model 10 Military & Police revolver.

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Jack
SWCA #2475, SWHF #318

I'd say shipping was more likely to be in 1949, as I show SNs on either side of C658XX which did. The latest SN I show as shipping in late 1948 was about C34xxx. You'll need to get a factory letter to know the date exactly. Many collectors would call your M&P a pre-Model 10, the reasoning being that it's essentially the same as those revolvers made after S&W started model numbering in 1957-58. The number in the yoke is just an assembly matching number, and is meaningless to anyone else.

My 2" M&P, C56,xxx was lettered as shipping in Sept 1949, the month I was born.

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Frosty
S&WCA # 2816