The Swissmint Patterns. 20 francs 2026 B, Bern. Summer. SILVER PATTERS. NO COLOR SPECIALS. Summer plans. Value below with "E" symbol for ESSAI / World map in a radiant sun. 20,00g. NGC PF70 ULTRA CAMEO. (8806431-012). Extremely rare, only three species struck. Technical information from Swissmint: This Pattern was realized with three strokes of 93,5 tons pressure. On the reverse of the definitive strike, the matt finish of the sun的s ray has been aged compared with the sun itself to make them stand out more clearly. The ‘N' has been enlarged and widened. On the obverse, the matt finish of the autumn, winter and spring flowers has been aged to distinguish them from the ‘summer的 flowers. The height of the relief on the summer flowers has been increased. The relief on the summer flowers has been raised from 0.11 mm to 0.15 mm.