LOUISE MURRAY / SCIENCE PHOTO LIBRARY LOUISE MURRAY / SCIENCE PHOTO LIBRARY
Twenty pound banknote in UV light, close up. The design on this banknote incorporates an invisible number twenty that fluoresces in ultraviolet (UV) light. This and other security measures are designed to prevent counterfeiting. See image C003/6380 for banknote under normal light.
Model release not available. Property release not required.