Mark variant 1
The three individual rounded-square punches and their initials match the source's left-to-right sequence.
Medium confidence comparison reconstruction.
Maker's mark comparison reference
John Henry Potter maker's marks
Compare 1 source-linked mark variant recorded under John Henry Potter. These are reconstructions for comparison, not source photographs or authentication evidence.
- Source location statements
- Rockingham Works, Rockingham Street, Sheffield · Rockingham Works, Sheffield
- Source date statements
- 1893..1899 (registered Nov ;1885) · (registered Mar ;1907) · 1894..1936 (registered May ;1890 & Apr ;1898)
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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