The remark about the anchor stamp is interesting, as just the past week I was leaving the local gun shop when I ran into a collector I have known for years. He ask me if I had any information on the Model 51 Remingtons that were used by the Navy as he had one with the anchor on it. When I explained that the anchor was a Remington inspection or proof mark and had nothing to do with the Navy, he protested that his had U.S. Navy stamped under the grip panels.
And so it goes.