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Maker's mark comparison reference

G P S maker's marks

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

Source date statements
1977..1983

Mark variant 1

G P S: Three distinct circular punches in triangular layout: G above P and S, with separate borders and no merging; line reconstruction.
Line reconstruction
G P S: Three distinct circular punches in triangular layout: G above P and S, with separate borders and no merging; oxidized reconstruction.
AI-assisted oxidized reconstruction

Three distinct circular punches are preserved in triangular layout: G above P and S, with separate borders and no merging.

Medium 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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