I see a diamond in there too. Someone liked Fords! As far as the deck, that is an older style more intended for use on the narrow frame tractors such as the 127, etc. See the pic below, which is a more fitting 50" deck. It's unlikely you'll need anything off the old deck, but someone with an older Cub may want it. You should be able to find a newer one on CL in your part of the world.
Someone correct me if I'm wrong, but I don't think "Quiet" Lines were all that quiet to begin with.
