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Maker's mark comparison reference

F R K maker's marks

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

Source date statements
1909

Mark variant 1

F R K: Simple rectangular punch, F-R-K sequence, upright orientation, border, and useful crop; line reconstruction.
Line reconstruction
F R K: Simple rectangular punch, F-R-K sequence, upright orientation, border, and useful crop; oxidized reconstruction.
AI-assisted oxidized reconstruction

Simple rectangular punch, F-R-K sequence, upright orientation, border, and useful crop preserved.

High 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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