Maker's mark comparison reference
Compare 1 source-linked mark variant recorded under M P M. These are reconstructions for comparison, not source photographs or authentication evidence.
The three upright characters retain their left-to-right arrangement inside the single shallow-waisted rectangular cartouche. The enlarged drawing follows the source's rounded character strokes and bowed side treatment without adding separate marks.
Medium confidence comparison reconstruction.
Maker labels and date or location statements follow the cited source records. Similar names across source collections have not been merged. Compare the photographed mark and the complete object before relying on a resemblance.
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