Richard: Checking the serialization book I see that SNs 51289 all the way through 52063 (with one exception) are all "D3" or Grade 3 guns with Damascus barrels. That 74 guns! Most are 12 gauge with 28, 30 & 32 inch barrels. All are toplever actions with two exceptions. All, except for one are listed with no extras. The only way to trace the provenance is to try to go back through previous owners. Remember, "The Search is Half the Fun".

Best Regards, George