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Accessories

COIN XXV ANNIVERSARIUM

Name: COIN XXV ANNIVERSARIUM
Brand: Extrema Ratio
SKU: 04.4100.0200/AO
Price: 36.07 EUR
Availability: InStock

€36.07

Extrema Ratio Coin XXV Anniversarium is a commemorative coin struck to mark the twenty-fifth anniversary of the company. It is made of silver-plated steel; it has diameter of 4 cm and weighs 38,5 g.

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Description

The heads of Coin XXV Anniversarium includes the iconic Extrema Ratio gauntlet flanked by the year of foundation (1997) and the twenty-fifth year of activity of the company (2022).

The tails depicts the new company logo, which was reinvented for the twenty-fifth anniversary.

Thanks to an accurate three-dimensional scan of the gauntlet processed using a 3D software, it was possible to obtain a perfect digitization of the piece, which has been essential for achieving an optimal result in the striking phase.

Coin XXV Anniversarium has been the product of a collaboration between Extrema Ratio and a Tuscan leading company in the development and production of coins, badges, friezes and other metal works as well as the supplier of one of the most important and famous automotive brands in the world.

Coin has been finely crafted and carefully studied in detail by the expert hands of skilful artisans; thanks to their class and passion they have achieved a result that brings out the quality of the product.

Coin XXV Anniversarium comes inside an elegant velvet-clad case.

Use

PROFESSIONAL OPERATIONAL DEPLOYMENT

Extrema Ratio develops knives engineered for real-world applications, where control, precision, and reliability are essential requirements. Every model is designed to ensure stable ergonomics, proper balance, and consistent performance, even during prolonged use. Use the tool strictly according to its technical function, avoiding improper use or stress beyond its intended scope. Mindful use preserves safety, efficiency, and longevity, keeping structural and operational characteristics of the product intact.

Want more details? Check the complete guide.

Care

ESSENTIAL ROUTINE MAINTENANCE

Regular maintenance is fundamental to preserving the efficiency, reliability, and lifespan of your product. After each use – especially in the presence of salt water, humidity, mud, or grease residues – rinse with fresh water, dry thoroughly, and apply a suitable lubricant to metal parts and moving mechanisms. Periodically inspect the inside of the sheath, removing sand, dust, or abrasive particles that could damage the blade finish when sheathing or unsheathing.

Want more information? Check the complete guide.

Warranty

OFFICIAL ASSISTANCE AND WARRANTY

Extrema Ratio knives are covered by a lifetime warranty covering defects in workmanship, materials, or treatments that compromise functionality. Sheaths are guaranteed for two years from the first documented purchase. Upon verification of a recognized defect, the product will be professionally repaired. If non-restorable, the tool will be replaced with an identical new product. Should the specific model be unavailable, it will be replaced with the most similar product in terms of technical features and overall value to ensure your complete satisfaction.

Want more details? Read our warranty information.