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Maker's mark comparison reference

Robert Cooper maker's marks

Compare 1 source-linked mark variant recorded under Robert Cooper. These are reconstructions for comparison, not source photographs or authentication evidence.

Source date statements
1678..1693 (free 1671) · 1697..1703 (registered Apr ;1697)

Mark variant 1

Robert Cooper: the supported circular boundary and sparse R/C-like central forms while removing the invented peripheral detail; line reconstruction.
Line reconstruction
Robert Cooper: the supported circular boundary and sparse R/C-like central forms while removing the invented peripheral detail; oxidized reconstruction.
AI-assisted oxidized reconstruction

Stricter retry preserves the supported circular boundary and sparse R/C-like central forms while removing the invented peripheral detail.

Low confidence comparison reconstruction.

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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