The Swissmint Patterns. 50 francs 2026 B, Bern. 120 Years of the Swissmint building. GOLD PATTERN. Coat of arms bearing the Swiss cross. Value below with "E" symbol for ESSAI / Facade of the Swissmint building. 11.29g. NGC PF70 ULTRA CAMEO. (8806432-003). Extremely rare, only four species struck. Technical information from Swissmint: This Pattern was realized with two strokes of 91 tons pressure. On 17 September 2026, Swissmint launched the new 50‐franc gold coin ‘120 Years of the Swissminth building'. This special coin pays tribute to the historic headquarters of the Federal Mint and showcases its distinctive architecture in great detail.