Unaware of any published sn data.
No sn data published I know of.
Depends on condition and originality. Anywhere from $100 to $275
No SN data published. Year of manufacture should be engraved on the crown.
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
50-500 depending on specifics
Someone at P38forum.com might be able to assist you.
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.