1911 CLASSIC ROYAL BLUE NO FURTHER A MYSTERY

Only exhibit this user It's a 72B prefix made previous to them visiting the duller end, which began at all around 73B0500. Something with a 71B or 72B will have the old shinier finish.It seems Colt is simply utilizing the exact same SN sequence for many designs. How they deal with to keep track of it's unfamiliar but I suppose that's their enterpri