I think that is a wise decision ROMAC, that gun is certainly not of collector quality and I would not be surprised if the entire front end of this gun (barrels and forearm) have been replaced; and if so, would classify the gun for collection purposes as a "parts gun" (there's simply too many suspicious aspects of the work on this gun). One can remove the left side lock plate; and if this gun is actually an original Grade "4E", that grade assignment will be factory stamped on the frame itself in the narrow portion of lock plate cut beneath the barrel flats. If it is an original 4E, then more's the pity as to its current condition because all this discussion lead Jim Stubbendieck (keeper of our copy of the LC shipping records)to double check for 4E's shipped in 20-bore; only 14 examples were recorded as being shipped from 1907 (the first year for the production of Smith 20-bores) and the end of 1912 when the Grade 4 designation was dropped.