50-200 USD depending on who made it and condition.
100
No,not that I am aware of. Browning makes a Challenger mark III, but that is a .22 lr pistol. Browning also makes the Hi-Power which is chambered for 9mm Luger.
You did not say which model. The Erma-Werke KGP68, which looks like the traditional "Luger" pistol, is about $250-$500, depending on condition. If you have a different model, please repost with that information.
Impossible to answer without knowing who made it.
50-225 usd
50-375 usd
110-200 dollars depending on overall condition.
25-75
It depends on the model
Impossible to answer without a detailed description and the serial number.
a new one costs about 300.00 as of 6/10/09