Mark variant 1
JM as two uppercase serif capitals without punctuation, centered inside one compact horizontal rectangular cartouche.
Low confidence comparison reconstruction.
Maker's mark comparison reference
Jonathan Mappin maker's marks
Compare 1 source-linked mark variant recorded under Jonathan Mappin. These are reconstructions for comparison, not source photographs or authentication evidence.
- Source date statements
- Sheffield - maker's mark reg. 1775
Sources and comparison limits
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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