Mark variant 1
C and B occupy the two upper roundels and S the lower roundel, preserving the three-lobed layout.
Medium confidence comparison reconstruction.
Maker's mark comparison reference
Charles Boyton & Son Ltd maker's marks
Compare 1 source-linked mark variant recorded under Charles Boyton & Son Ltd. These are reconstructions for comparison, not source photographs or authentication evidence.
- Source location statements
- Upper Charles Street, London EC
- Source date statements
- 1918 · 1907..1930 · 1904..1928 (registered Sep ;1904) · 1915..1937 (registered Jul ;1914)
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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