Unaware of any published sn data.
No sn data published I know of.
No SN data published. Year of manufacture should be engraved on the crown.
Depends on condition and originality. Anywhere from $100 to $275
You will have to contact Mauser
You will have to call Browning with the serial number.
You will need to start by contacting Mauser
Need a detailed description of all markings
100-400 USD
yes
Someone at P38forum.com might be able to assist you.
50-500 depending on specifics
Current value is an extended stay in a prison if you are caught with it. Get a lawyer and find out how to get the serial number lifted or restamped.