Pennyweight.

What does the lion passant hallmark mean?

Short answer

Lion passant: sterling silver (925) assayed in England.

A mark is a statement, not proof: it can be forged or struck on a plated piece. An assay confirms it (touchstone and acids, or X-ray fluorescence).

The stamp in detail

ItemWhat the tables say
Stamplion passant
ClassHallmark symbol
Silver fineness925 parts per thousand (92.5 % silver)
Legal standard (silver 925)United Kingdom, Vienna Convention states, France, United States
NoteSterling silver.
Source checkChecked against the sources listed below
Date clueNot before 1544. The lion passant has been used since 1544.

What lion passant can be mistaken for

Pieces that look like silver and are not:

What a stamp cannot settle: Silver, white gold or platinum without marks: white colour does not tell them apart.

What settles it:

Related stamps

Other ways the same fineness is stamped: 925, STERLING.

Also in this group: Britannia, leopard head, anchor, rose, castle, crown, orb, sovereign head.

All stamps and the search · UK hallmarks and date letters

Frequently asked

What does lion passant mean on jewelry?

Lion passant: sterling silver (925) assayed in England.

Is the lion passant mark proof of the metal?

A mark is a statement, not proof: it can be forged or struck on a plated piece. An assay confirms it (touchstone and acids, or X-ray fluorescence).

Sources

All sources are listed with the method on the sources page.