It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
typewriter keys steampunk metal old retro antique vintage grunge retro background design classic texture rusty steel metal background antique background iron metallic background tool style equipment metallic background vintage black aged vintage background silver white type letters decoration grey ornament gray backdrop gears click
Page 2017 Free-images.com. All images are Public Domain