Maker's mark comparison reference

J.B. & S.M. Knowles maker's marks

Compare 2 source-linked mark variants recorded under J.B. & S.M. Knowles. These are reconstructions for comparison, not source photographs or authentication evidence.

Source location statements: Providence, R.I.
Source date statements: 1875 - 1905

Mark variant 1

J.B. & S.M. Knowles: lion, K; line reconstruction. — Line reconstruction

J.B. & S.M. Knowles: lion, K; oxidized reconstruction. — AI-assisted oxidized reconstruction

Source-recorded mark text: lion, K

Two side-by-side lion-and-K-shield variants on a square canvas.

Low confidence comparison reconstruction.

Mark variant 2

J.B. & S.M. Knowles: JB&SMK · Knowles Sterling; line reconstruction. — Line reconstruction

J.B. & S.M. Knowles: JB&SMK · Knowles Sterling; oxidized reconstruction. — AI-assisted oxidized reconstruction

Source-recorded mark text: JB&SMK / Knowles Sterling

Worn one-line initial group J.B. & S.M.K.

Low confidence comparison reconstruction.

Market evidence for J.B. & S.M. Knowles

0.74–0.97× melt — the middle half of observed sold-price-to-silver-value ratios, from 10 weighable lots across 7 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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