To 1lowlife, nice early S&W. It is a shame about the broken grip panel.
What ever path you follow to clean, just promise no steel wool or wire brushes on a drill. It appears from the pics that there is a little blue hiding in there. No matter what you do it will never look new again. Just take it slow with oil and a cotton rag. More to follow from the cadre of old guys. Mike

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Mike 2796
SoFo Bunch member