Mark variant 1

The pointed four-sided outline and left-to-right W, L, raised small d, and C arrangement are preserved.
Medium confidence comparison reconstruction.
Maker's mark comparison reference
Compare 2 source-linked mark variants recorded under W Coulthard & Co. These are reconstructions for comparison, not source photographs or authentication evidence.

The pointed four-sided outline and left-to-right W, L, raised small d, and C arrangement are preserved.
Medium confidence comparison reconstruction.

Left W/C-like group, central ampersand-like group, and right C/O-like group are preserved as three separate dark-field units with the source's relative spacing.
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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