Mark variant 1


I/O/&/C/O-like sequence and the long bowed rectangular border are preserved; the worn source lettering is normalized into clean contours.
Low confidence comparison reconstruction.
Maker's mark comparison reference
Compare 1 source-linked mark variant recorded under Im Obersteg & Co. These are reconstructions for comparison, not source photographs or authentication evidence.


I/O/&/C/O-like sequence and the long bowed rectangular border are preserved; the worn source lettering is normalized into clean contours.
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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