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Maker's mark comparison reference

Gerrit Onkelbag maker's marks

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

Mark variant 1

Gerrit Onkelbag: BGO; line reconstruction.
Line reconstruction
Gerrit Onkelbag: BGO; oxidized reconstruction.
AI-assisted oxidized reconstruction

Source-recorded mark text: BGO

Three touching circular punches arranged as a triangle: B above, G below left, and O below right.

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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