I'm looking at an engraved 16x16x9.3x72R sidelock Sauer drilling that the owner says is a Model 3000 "LG". Never heard of it. Knowledgeable friend of mine says it's a pre-war Sauer 25A. Any thoughts?

Sauer 3000 LG


Sam Hershfield Bradenton, FL and Hendersonville, NC