Browning never made firearms in Ohio.
No. Some are producd in Herstal Belgium, and some in South Carolina USA
No
The Browning web site has some info. Matt Eastman's book has some.
What is the question?
By the serial number
It was made in 1946
The Browing Hi Power, and those made under license, are among the finest firearms ever conceived. Though the 1911 is the King of all Handguns, the Browning HP is its close successor.
50-500 usd
very high
Browning.com has sn data under customer service.
One made for the weapon.