Valor Guardian
40 USD or so
As long as it's the correct caliber, yes.
6.35 (or technically 6,35) is the same as .25 ACP.
S&W never made a 25 ACP handgun for retail sale.
That question can't be answered as asked. It depends on the brand and model. Check with the manufacturer.
Roughly the 1960s. The name Valor was used for guns imported by FIE during the mid 1960s.
about 1922
25-100 USD without more of a description
Based on proofhouse.com the colt 1908 hammerless .25 with that serial nimber was made in 1922
if the model of 1903, 32 cal. made about 1914 if model 1908, 25 cal. made about 1917
the model of 1908, hammerless 25 cal # 252231 made about 1921
You have made a statement and put a question mark on the end. You have not asked a question.