This lens, with a serial number starting from No. 314, and this lens, with a serial number starting from No. 333, are extremely early types and are incredibly rare. With features of the early models such as the Mount Fuji-shaped crab claw and the PAT.PEND marking, and in beautiful condition. This is a highly recommended lens. Nippon Kogaku Nikkor-S Auto 50mm F1.4, 6 aperture blades Accessories: Front cap, rear cap Exterior: No noticeable scratches or dirt. I think it's in beautiful condition with very little signs of wear such as scratches. There is a faint trace of mold on the rear element, but it does not affect the photos. Please check the sample photos. The aperture and focus rings operate smoothly. The condition of the product is based on my personal opinion, and returns are not accepted. Please feel free to comment with any questions, including price negotiations. Maximum aperture: ~1.4 Focal length: 19-70mm Other features: With front lens cap, with rear lens cap, vintage lens