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The new German 50 euro gold coin incorporates a feature impossible to see with the naked eye. Its relief includes a nearly invisible code that can be read with a mobile phone camera to verify the coin's authenticity.
It's not a chip, an NFC tag, or something added after minting. The so-called AuVerIn embossing signature is created during the manufacturing process itself and turns the coin into the key to accessing its digital certificate.
The coin, issued by Germany on August 10, 2026, under the name "Gestaltung" (Design), is a 50-euro collector's coin, minted in 999.9 fine gold, weighing a quarter of an ounce, with a maximum mintage of 33,100 units. But its interest goes beyond the precious metal or the motif depicted: it is part of the first generation of German coins with a digital identity incorporated into the relief itself.
German 50 euro gold coin "Gestaltung" 2026. Image: German Federal Ministry of Finance / BVA. Design: Bastian Prillwitz. Photography: Hans-Joachim Wuthenow.
A hidden signature inside the coin
AuVerIn is an acronym for Authentication, Verification and Information. The technology, developed and patented in Germany, introduces a virtually invisible encoding within the coin's design.
The German Federal Ministry of Finance emphasizes that there are no electronic components inside the coin. The signature is not a surface layer, an adhesive, a microchip, or an NFC antenna, but a natural part of the minting process.
To read it, the owner must use the free AuVerIn app and focus their phone's camera on the coin. The program recognizes the encoding and leads to the digital certificate of authenticity or the content that the issuer has associated with that issue.
The system offers a particularly relevant advantage for gold coins: a paper certificate can be lost, detached from the coin, or copied. The embossed signature, on the other hand, remains physically attached to the coin.

AuVerIn connects physical currency with a certificate of authenticity and other digital content using a phone's camera. Image: Münze Deutschland.
How to verify the coin's authenticity
The application analyzes the encoded relief and verifies that it corresponds to an issue registered with AuVerIn. In this way, the coin itself acts as a key to access its assigned digital certificate.
According to Münze Deutschland, using the service doesn't require opening an account, logging in, or creating a profile. The location and time of the query are also not recorded. The application is compatible with current iOS and Android mobile devices, but not with computers or traditional web browsers.
Once installed, the application can also be used offline. Certificates and associated content are stored in encrypted form on the phone itself.
This does not transform the coin into an electronic device or a digital asset. The piece remains a completely analog object: the technology uses its relief as a physical pattern that the software can recognize.

Demonstration of scanning with AuVerIn. The coin used in this explanatory image is "Die Judenbuche," not the "Gestaltung" coin. Image: Münze Deutschland.
«Gestaltung»: design turned into motif
The new coin belongs to the German series "Deutsches Handwerk" —German Craftsmanship—, created to recognize the diversity of trades and their economic, cultural and social importance.
"Gestaltung" is dedicated to those works in which knowledge of materials, function, and aesthetics combine to create objects and services. The German term can be translated as design, configuration, or formal creation, although its meaning also encompasses the process of giving form to an idea.

The design is the work of Berlin-based artist Bastian Prillwitz. On the side dedicated to the motif, tools and handcrafted products occupy almost the entire surface. The letters that form the word GESTALTUNG appear integrated into a structure resembling a wall built with small cubes or puzzle pieces.
Among the elements, one can recognize a hammer, glasses, a chair, an architectural structure, and various tools or objects of work. The composition compels the viewer to visually scan the coin to discover them and aims to show that the design does not belong to a single trade. There is also a subtle reference to the so-called Handwerksdaumen— "craft thumb"—which connects the depicted objects to the people who create them.

The obverse of the note features a calligraphic interpretation of the federal eagle. Surrounding it are the inscription BUNDESREPUBLIK DEUTSCHLAND, the face value of 50 euros, the year 2026, and the twelve European stars. Also included is the mint mark of one of the five German mints: Berlin, Munich, Stuttgart, Karlsruhe, or Hamburg.
The fourth coin in a series of five
"Gestaltung" is the fourth installment in an annual collection that began in 2023 and is planned to run until 2027. Previous issues were dedicated to Food, in 2023; Mobility, in 2024; and Health, in 2025.
They all share the main characteristics of the series: a face value of 50 euros, a quarter of an ounce of pure gold, 22 millimeters in diameter and minted in the five state mints of Germany.
The technical difference of the 2026 coin lies in the addition of AuVerIn. Furthermore, the maximum mintage has been reduced to 33,100 pieces, compared to the 55,000 planned for the 2025 issue.
Coin characteristics
Country Germany
Year 2026
Face value 50 euros
Reason "Gestaltung" —Design—
Series "Deutsches Handwerk" —German Craftsmanship—
Metal 999.9 fine gold
Weight 7.78 grams —1/4 of a troy ounce—
Diameter 22 millimeters
Quality Stempelglanz —uncirculated brilliant—
Singing Fluted
Designer Bastian Prillwitz
Mint Berlin A, Munich D, Stuttgart F, Karlsruhe G and Hamburg J
Maximum print run 33,100 coins
Date of issue August 10, 2026
Official price 1,174.95 euros
Safety feature AuVerIn embossed signature
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