units.greyisgood.eu
The Fundamental Units (United Kingdom) — Martin John CallananThe lowest domination coin from each of the world's 166 active currencies imaged using an infinite focus 3D optical microscope to vast scale. Printed at 1.2 by 1.2 metres from files with over 400 million pixels. The level of detail, beyond normal vision, reveals the material makeup of the coin, marks and traces from their use as tokens of exchange.
http://units.greyisgood.eu/