Mark variant 1

Three connected round lobes, the central bow-like join, and one letterform in each lobe are retained in the same top-over-two arrangement.
Medium confidence comparison reconstruction.
Maker's mark comparison reference
Compare 1 source-linked mark variant recorded under Davis, Duff & Son. These are reconstructions for comparison, not source photographs or authentication evidence.

Three connected round lobes, the central bow-like join, and one letterform in each lobe are retained in the same top-over-two arrangement.
Medium 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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