

An unbordered vertical group with a small upper rectangular fragment and spiral, a broad irregular three-lobed central device, and P H D…
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Maker-name gallery · page 3 of 5
164 makers, 201 mark variants whose catalog name begins with P. Named firms first, then initial-style marks. Search every letter in the atlas.
These are reconstructions for comparison. They are not source photographs and cannot authenticate, date, value, or prove provenance. Open the source or the atlas before relying on a resemblance.



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