The Swissmint Patterns. 20 francs 2025 B, Bern. CERN. SILVER PATTERN WITH BRILLIANT SURFACES. Magnet from the large Hadron collider on brilliant surface. Legend, value and date all around / Two colliding pieces. 20,00g. NGC MS70. (8400354-034). Of the highest rarity. Unique pattern with brilliant surfaces. Technical information from Swissmint: This pattern, realized with three strokes of 110 tones pressure, represent the last trial without matt finish, before the definitive strike. CERN (European Laboratory for Particle Physics) is the world's largest particle physics laboratory. Found in 1954 and based in Geneva, its mission is to explore the fundamental laws of the universe by studying the smallest constitutions of matter, parts. The CERN's LHC (Large Hadron Collider) is the world's largest particle accelerator. This ring, with a circumference of 27 km, accelerates protons to a speed close to that of light before causing them to collide. The analysis of these collisions provides a deeper understanding of the fundamental structure of matter and how the universe works.