Mark variant 1
Exact uppercase W.S with one centered period inside one horizontal rectangular cartouche.
High confidence comparison reconstruction.
Maker's mark comparison reference
William Seal maker's marks
Compare 1 source-linked mark variant recorded under William Seal. These are reconstructions for comparison, not source photographs or authentication evidence.
Market evidence for William Seal
0.86–1.85× melt — the middle half of observed sold-price-to-silver-value ratios, from 10 weighable lots across 8 auction houses. Each lot uses the silver reference at its sale date.
This maker-level evidence does not value your object. Matching a mark cannot establish authenticity, material, condition or provenance.
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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