This Marlin manufactured Phillips head slot third variation brass colored butt plate screw is for the Glenfield model 60 semi-auto rimfire rifle and is in very good condition with light wear and a tarnish present.  (file photo)

Note: Firearms with the following years of manufacture and serial numbers have been observed with this part:

1979: 21418578, 21448907 & 21459280

1980: 20360112, 20385176, 20413309 & 20643810

1982: 18310645, 18401999, 18412956, 18417651 18418378