Duncan Urquhart & Naphtali Hart marks

Undated

silver

Seen on objects dated 1796–1811.

silver

Grimwade Grimwade, Arthur - London Goldsmiths, 1697-1837: Their Marks and Lives, Faber & Faber, 1990 illustrates the mark with pellets but notes "similar marks" registered 1795, 1802 & 1805

silvercollection.it

Undated

DU NH

Illustrated London 1795 hallmark.

London

over NH Duncan Urquhart & Naphtali Hart , 1795 hallmark

Undated

silver

Seen on objects dated 1791–1808 (registered Oct 1791).

silver

Grimwade Grimwade, Arthur - London Goldsmiths, 1697-1837: Their Marks and Lives, Faber & Faber, 1990 illustrates the mark with pellets but notes "similar marks" registered 1795, 1802 & 1805