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Maker's mark comparison reference

Abraham Portal maker's marks

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

Source date statements
1755..1761 (registered Oct ;1749)

Mark variant 1

Abraham Portal: the source AP-like pair and broad worn rectangular border with sparse contours; line reconstruction.
Line reconstruction
Abraham Portal: the source AP-like pair and broad worn rectangular border with sparse contours; oxidized reconstruction.
AI-assisted oxidized reconstruction

Stricter retry preserves the source AP-like pair and broad worn rectangular border with sparse contours.

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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