Maker's mark comparison reference

Henry C. Porter maker's marks

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

Source location statements: New York, NY
Source date statements: c1820

Mark variant 1

Henry C. Porter: H.C.P; line reconstruction. — Line reconstruction

Henry C. Porter: H.C.P; oxidized reconstruction. — AI-assisted oxidized reconstruction

Source-recorded mark text: H.C.P

Three tiny worn punches precede H.C.P; the middle contains D and the outer punches retain only sparse ambiguous pictorial strokes.

Low confidence comparison reconstruction.

Sources and comparison limits

www.925-1000.com source reference
www.925-1000.com source reference

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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