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When it comes to sterling silver, few names carry as much weight as Georg Jensen. Known not only for exquisite craftsmanship but also for a meticulous approach to authentication, Georg Jensen silver marks and hallmarks serve as critical identifiers for collectors, dealers, and enthusiasts alike. But what do these marks mean, and how can you decipher them?
Whether you’re assessing a family heirloom or looking to verify a recent acquisition, understanding Georg Jensen silver marks can help you date a piece, confirm its authenticity, and even evaluate its potential value.
Silver hallmarks serve as a fingerprint — each mark tells a part of the piece’s story. For Georg Jensen silver, these marks reveal:
Unlike mass-produced silver, Georg Jensen items are frequently signed, numbered, and hallmarked in a way that adds both transparency and collectibility.
Georg Jensen’s hallmarking practices evolved over time. Different marks were used in various decades, so identifying the correct one can often help narrow down the production period.
The earliest Georg Jensen pieces often included the name “Georg Jensen” in a simple serif font, occasionally encircled in a beaded oval. These marks were typically hand-stamped and may appear less uniform.
During this period, you may also find a “GJ” monogram with accompanying marks such as “830 S” — indicating a silver content of 83%, which was standard in Scandinavia before 925 sterling became dominant.
By the mid-20th century, the hallmark became more standardized. Most pieces were marked “GEORG JENSEN” in block letters, along with “Sterling Denmark” and “925 S” — signifying international sterling silver standards.
You might also find the oval cartouche (oval surrounding the name) with “Georg Jensen” in script — a hallmark that’s now widely associated with authenticity and quality.
Modern pieces usually retain the “Georg Jensen” oval logo in script, but the hallmarks are more consistent and machine-stamped. Newer pieces often include additional marks like:
These marks are often grouped together on the back or underside of the item, particularly on flatware, jewelry, and hollowware.
Let’s break down some of the most frequently seen Georg Jensen marks and what they represent:
Occasionally, you may also find additional registry marks or assay office stamps — these are more rare and often specific to earlier periods or limited series.
While Georg Jensen is widely respected, the brand’s popularity has made it a target for imitation. A few warning signs:
Legitimate Georg Jensen silver items nearly always include at least three core identifiers: the brand name, the silver purity, and either the country of origin or a designer/model reference.
Beyond authenticity, hallmarks can also help assess a piece’s worth. Early marks or limited designer collaborations can drive value significantly. For instance, pieces marked with early 830 S content from Jensen’s original workshop in the early 1900s may command premiums simply due to age and rarity.
Similarly, items with clear designer attribution (like Sigvard Bernadotte, Arno Malinowski, or Vivianna Torun Bülow-Hübe) can carry higher collector value.
Hallmarks are more than just stamps — they’re storytelling tools, historical indicators, and sometimes the key to unlocking a piece’s value. Whether you're new to Georg Jensen or have admired the brand for years, learning to decode its silver marks can elevate your collecting experience and help ensure you're investing in true craftsmanship.
