Copyright 2020 Exstrom Laboratories LLC Longmont, Colorado
Authors: Stefan and Richard Hollos
All images in the Macro and Micro Picture of the Day are licensed under the Creative Commons Attribution 4.0 International License.
Here is a gold embossed "1", part of "100", on a United States one hundred dollar bill, circa 2009.
Equipment used: Canon EOS Rebel T5i with 49 mm long extension tube.