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Thursday 25 January 2018 at 00:14
Ok that makes sense. Guess it's similar to detailing - a new car will have a reasonably good paint job but a detailer can always improve it, and would spend an amount of time doing it that a manufacturer wouldn't be able to justify financially.
Source: http://pinside.com/pinball/forum/topic/wtb-twilight-zone-nos-playfield#post-4193756