Area of paint loss on top of the black near the lettering (photographed above). Lens appears to be clear.Found mounted to a Leica. My good friend was luckier then I and actually pulled the lens this was manufactured for. The Nikon 5cm f/1.1 nikkor. He will be listing it as some point under his account (fredsanford67). The item "Rare Nikon brightline viewfinder for 5cm f/1.1 nikkor Leica mount camera lens" is in sale since Sunday, July 21, 2019.
This item is in the category "Cameras & Photo\Camera & Photo Accessories\Viewfinders & Eyecups". The seller is "sonnypgh" and is located in Pittsburgh, Pennsylvania. This item can be shipped to United States, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Colombia, Panama, Jamaica, Barbados, Bermuda, Bolivia, Egypt, French guiana, Iceland, Jordan, Luxembourg, Pakistan, Paraguay, Uruguay.