Compare 1 source-linked mark variant recorded under M B Ltd. These are reconstructions for comparison, not source photographs or authentication evidence.
Source date statements
1922 · 1917..1919
Mark variant 1
Line reconstruction
The long irregular rectangular punch and its left-to-right sequence of tall initial, central initial, and compact terminal abbreviation are retained, including the small raised middle stroke in the terminal group.
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.