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Silver and Niobium

Through the combination of silver and niobium Münze Österreich AG has achieved an internationally recognised innovation of a quality that no other coin manufacturer has so far managed to equal. The niobium tones arise without the application of colour, purely through light refraction on an extremely thin, transparent oxide layer. The combination of the coins’ two-tone niobium core with the circular design of the silver outer ring provides the ideal environment in which to explore fittingly fascinating themes.

A global innovation when launched, our 25 Euro Silver Niobium coins still combine state-of-the-art numismatic design, technology and aesthetic beauty like few others.

Every year since 2003 the coins' silver outer ring and coloured niobium core, which is attained by oxidation as opposed to the application of artificial colour, have provided the perfect backdrop for exploring suitably technological themes, from astronomy to aviation, robotics to renewable energy and electric light to television.

As well as being ideal gifts, our silver niobium coins are also extremely popular with collectors and investors.

25 Euro Silver Niobium Coins

Innovative and technological brilliance

Among the most spectacular of the Austrian Mint’s products are our innovative Silver Niobium coins. The coloration here is not created by color printing, but by the targeted and highly precise refraction of light. Exploring technological themes, the unique and highly sought-after 25 euro coins are exclusively produced by the Austrian Mint using state-of-the-art technology developed in Austria. No coin issue is like the other – from the design to the play of colors. Popular as gifts, the coins have won numerous international awards.

Extraterrestrial Life 25 Euro Silver Niobium coin

Is there anybody out there?

The search for extraterrestrial life could become increasingly important in the decades to come. Science fiction writers are not alone in asking questions such as: Are we alone in the universe? What would aliens look like? And how could we contact them?

What If there really is somebody out there? Making contact with aliens would change our whole concept of the universe. Is this really plausible or are such thoughts purely fantasy? Given that we only know a tiny part of the universe, which comprises some 100 billion galaxies, each with 100 billion stars, it is hardly surprising that we continue to ask these questions. Is all life in the universe really limited to our tiny ‘third rock from the sun’?

Extraterrestrial Life, the 2022 edition of the 25 euro Silver Niobium coin, explores the possibility of life in outer space and takes us on an intergalactic voyage in search not just of aliens but also of microscopic signs of life.

All coins in series

2022 – Extraterrestrial Life

    Silver niobium coin smart mobility

2021 – Smart Mobility

    2020 silver niobium coin "Big data"

2020 – Big Data

    silver niobium coin artificial intelligence

2019 – Artificial Intelligence

    Silver niobium coin Anthropocene

2018 – Anthropocene

    25 Euro silver-niobium coin Microcosm

2017 – Microcosm

    Silver Niobium Coin the Time

2016 – Time

    25-euro coin 2015 cosmology obverse

2015 – Cosmology

    25-euro coin 2014 evolution obverse

2014 – Evolution

    25 euro 2013 Tunnel Construction obverse

2013 – Tunnel Construction

    25-euro coin 2012 bionics obverse

2012 – Bionik

    25-euro coin 2011 robotics averse

2011 – Robotik

    Renewable energy Silver niobium coin

2010 – Renewable Energy

    25-euro coin 2009 astronomy avers

2009 – International Year of Astronomy

    25-euro coin 2008 fascination light avers

2008 – Fascination Light

    25-euro coin 2007 aviation avers

2007 – Austrian Aviation

    25 Euro coin 2006 satellite navigation

2006 – European Satellite Navigation

    25-euro coin 2005 50 years television avers

2005 – Fifty years of television

    25-euro coin 2004 Semmering railway avers

2004 – The 150th Anniversary of the Semmering Railway

    25-euro coin 2003 Stadt Hall avers

2003 – 700 Years of Hall in Tyrol



Special Uncirculated

Face value

25 Euro


34 mm


Silver Ag 900, Niobium


16.50 g

Silver Niobium Coins

Our innovative Silver Niobium coins are coveted by collectors and coin experts alike. With a classic subscription you are guaranteed never to miss a coin issue.

    Coin frame

Coin Frame

This beautiful frame allows you to display your coins in a completely new way. It makes coins appear to be floating inside its transparent silicon membranes.

    Silver Niobium Coins

Silver Niobium Coins

Our 25 euro silver niobium coins combine state-of-the-art design and aesthetic beauty like few others.