Yes Joe, there is a ton of information here. Welcome to the forum! You probably have either a DWM or Erfurt 1916 (manufacturer date) luger.
First, see these questions and see what you can answer about the Luger, notice the spelling it is named after Georg Luger.
Can you tell us any markings on the gun?
Proofs? (see on your left under tech information if you came through
www.lugerforum.com) Tell us what and where proofs and markings are located.
There are forms in this section, where you can print out and then write down pertinent information.
What serial number is on the gun? To include any letters next to or under the serial number?
What year or letters are stamped on the top of the receiver?
What initials or letters are on the toggle?
Can you provide pictures, to include side, top, etc?
Ed