Like you, I am well aware of variations in quality that occurred back then (e.g. IWC dial signatures, etc.), so I have no expectations of perfection, or anything really close. What I do expect, though, is a reasonable floor to the flaws that manufacturers, and especially major ones, made. I cannot recall ever have seen anything so shockingly poor as the scratches on the subject watch. It is beyond my comprehension how or why QC at Rolex might have allowed such work to reach the market.
I posted the obviously redialed Eterna not only as a joke, but also to suggest that I really can't think of any close analogue to the subject engravings. Have you ever seen work anywhere near that poor, from any major brand?
I can't comment on the contemporary examples that you posted, as they appear to be graphic representations of dials, rather than actual ones.
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