Mark variant 1
Uppercase J, one small pellet, uppercase C, one ampersand, and uppercase S inside one long rounded rectangular cartouche.
Low confidence comparison reconstruction.
Maker's mark comparison reference
J. Cook & Sons Ltd. Art Deco Sterling & Rock Crystal Brooch Birmingham,… maker's marks
Compare 1 source-linked mark variant recorded under J. Cook & Sons Ltd. Art Deco Sterling & Rock Crystal Brooch Birmingham,…. These are reconstructions for comparison, not source photographs or authentication evidence.
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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