Mark variant 1

The single circular, irregular-edged punch and its two horizontally arranged letters are retained, including the open interior of the right letter.
Low confidence comparison reconstruction.
Maker's mark comparison reference
Compare 2 source-linked mark variants recorded under Corke Brothers & Co. These are reconstructions for comparison, not source photographs or authentication evidence.

The single circular, irregular-edged punch and its two horizontally arranged letters are retained, including the open interior of the right letter.
Low confidence comparison reconstruction.


One circular medallion with C-like and B-like upper forms plus a smaller ampersand-and-Co-like lower group.
Low confidence comparison reconstruction.
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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