In a surprising turn of events at Bonhams’ Important Instruments of Science and Technology Sale in London on April 24th, a remarkably rare 15th-century astrolabe soared past its pre-sale estimate, fetching an impressive £508,400 ($635,000). Jon Baddeley, a specialist at Bonhams, expressed his astonishment at the outcome, stating, “This is one of the strongest results we’ve seen at auction at Bonhams Knightsbridge in the past decade.” Describing the astrolabe as an “early smartphone of sorts,” Baddeley emphasized its multifaceted utility, noting its significance in timekeeping, navigation, celestial observation, and even decision-making.