Line reconstructionLineMark variant 1
Medium confidence comparison reconstruction.
W, central solid stop, P, and the lobed rectangular punch are retained.
Compare 1 source-linked mark variant recorded under William Plummer. These are reconstructions for comparison, not source photographs or authentication evidence.
Line reconstructionLineMedium confidence comparison reconstruction.
W, central solid stop, P, and the lobed rectangular punch are retained.
Original source statements:
USD 4,250 · Quinn's Auction Galleries · 2026-06-18
GBP 580 · Chiswick Auctions · 2026-06-03
USD 600 · Amero Auctions · 2026-03-22
Prices remain in their original currencies; buyer-premium inclusion is unknown. These are reviewed maker-name auction examples, not proof of an object's attribution.
This maker-level evidence does not value your object. Matching a mark cannot establish authenticity, material, condition or provenance.
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.