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Polish it with some 000 steel wool and WD40, it will remove the rust, dirt and some of the tarnish, then polish with some 1k Wet & Dry to get the shine you want.

Yea, looks muted or rounded chipped point.

You can bring a pointed tip back by removing a bit from the tip, making it a sharper 90 degree point. You would only lose about a 1/16 of an inch, none...