16,5 g (Ag/Nb), Niobium coin, Time, 2016

The theoretical meaning of time may have long been a major subject of debate among philosophers, physicists and religious figures, but the more practical discipline of its measurement has proved to be less of a mystery. Dedicated to the history of chronometry ‘Time’ uses its two-tone niobium core and outer silver ring to show a selection of timepieces throughout the ages.