
I don't know...
However, I recall a long time ago squiggly/wavy lines working on an excavation in Bloomsbury, that involved exhuming/relocating a number of 19th and 18th C coffins, and I dimly suspect some of those had Makers Plates on the ends, so it might not be a new thing in that industry!
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Thu 25 Oct 2012, 10:53,
archived)
However, I recall a long time ago squiggly/wavy lines working on an excavation in Bloomsbury, that involved exhuming/relocating a number of 19th and 18th C coffins, and I dimly suspect some of those had Makers Plates on the ends, so it might not be a new thing in that industry!