Maker's mark comparison reference

C I S maker's marks

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

Source date statements
1958

Mark variant 1

C I S: CIS oval cartouche preserve source reading direction and count; line reconstruction.
Line reconstruction

CIS and the oval cartouche preserve source reading direction and count.

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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