Jeff,
I understand you meaning....it could also be a bit of bar forged in to locally distort with no/minimal material removal...just a distorion...like Fogg's "spirit" pattern.
However, the corrosion on the blade looks to me like all the forge work had been done years ago priot ro the repolishing that obviously had been done to this blade before selling.
Deep pits like that are not the result of forging, but rust later. The pits appear to be overlapping the zig-zag so I do not think this is a recent forge job.
Ric
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