Mark variant 1
RNRG and exactly one compact rectangular plaque boundary are preserved.
Low confidence comparison reconstruction.
Maker's mark comparison reference
Ronald Napier & Robert Grant maker's marks
Compare 1 source-linked mark variant recorded under Ronald Napier & Robert Grant. These are reconstructions for comparison, not source photographs or authentication evidence.
- Source date statements
- 1971..1985
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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