Help dating a pre-war M&P Target please. Update and Pics

[Club Gun Fan]

I just found this thread and wanted to ask, also,
on the approx production date of my 1905 4th model target model Smith. I recently concluded a 2 gun 5-screw trade deal where I aquired this pre-war 38 spc Target shown below from a very nice member (Thanks Nick) !!
I added some period stocks and a later era Target
Stock Set to its pkg along w the era correct helpful hints brochure. The hammer had been modified (shortened) so I changed it out for a fitted NOS nice case-colored pre-war hammer to finish it off.
If anyone knows, what other paperwork may have been included in its paperwork pkg ?
I still need to find some cleaning tools for it..
The Smith is in exc shape and has the 2 screw
rear sight. Its ser # is 673XXX. I included a picture of it here below.to show its looks and condition.
Thanks in advance on the poss production date on it
Best Randy..

Randy
It's impossible to tell when it was produced only when it shipped. Without the full serial number you can be off by five years or more.

 

[Mbrgr1]

I think this one is a 1905 3rd change?

Shipped in Aug 1914 serial 230948 I love the M&P target guns....