Engraving on any Parker that is not original would hurt or destroy the actual collector value. Unless it is a recut of original engraving in the event of a restoration. Or a very well done upgrade that is correct to the Parker style.
In order to engrave, the parts should be annealed, engraved and then re-hardened.
If your Trojan is nice in all other aspects than worn colors, don't engrave it. Unless you are fully restoring it, I wouldn't color it either.
If you want frames to practice your engraving on, let me know. I have tons of various grades.
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B. Dudley
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