Silver identification field guide

Read the marks.
Then test the whole story.

Silver bars communicate through maker stamps, weight, fineness, serials, assay marks, dates, and security details. No single mark proves authenticity; the strongest identification comes from details that agree.

Open the full identification guide Browse maker hallmarks

Seven evidence points

What each mark can tell you.

Read marks as a system. Typeface, spacing, orientation, surface, edge construction, dimensions, and metal testing all add context.

01 · MAKER

Maker or refiner hallmark

The company, mint, refinery, or issuer responsible for the piece. Compare the exact logo style and placement with a reliable maker reference.

02 · WT

Stated weight

Usually expressed in troy ounces, grams, or kilograms. Weight must be read together with the fineness and the manufacturer specification.

03 · FINE

Fineness

A proportion such as .999 or .9999 that describes purity. It is not a substitute for testing and does not identify the maker by itself.

04 · SER

Serial number

An identifier for an individual bar or production system. Prefix, digit count, typeface, and placement may help identify a variety, but a serial alone is not authentication.

05 · ASSAY

Assay or certification mark

A stamp, card, or package statement associated with verification. Confirm that packaging details and identifiers match the bar rather than treating the holder as proof by itself.

06 · ISSUE

Date or issue mark

Some products show a year, mint code, or series designation. Determine whether the mark indicates production, design issue, copyright, or another event.

07 · SEC

Security feature

Micro-engraving, radial lines, latent images, or maker verification systems can aid comparison. Learn the feature from the manufacturer before relying on it.

Authentication boundary

A familiar stamp is a clue—not a conclusion.

Counterfeits can copy logos, serial formats, packaging, and surface texture. For a meaningful purchase, compare the exact product specification and use appropriate professional testing.

  • Confirm weight and dimensions together.
  • Compare construction and edge details.
  • Use electrical, density, XRF, or ultrasonic testing as appropriate.
  • Choose a seller with clear return and authenticity policies.

Archive examples

Marks with collector context.

Explore serialized bars

Still unidentified?

Send the research queue a careful description.

Share the maker, weight, fineness, mark style, and a redacted serial prefix. Keep complete serials and personal purchase documents private.

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