This is a vintage Nippon Kogaku Nikkor - P Japan No. #305280 lens. Auto 1:45 f - 300 mm. Nice condition with the small end cap broken.
It has been in the family for years and hopefully if you have any questions I can answer them. Please let me know if you need more pictures or measurements.
Payment is made thru PayPal. I will let you know what day it will be in the mail. Postage is based on zip code,
Thank you for looking.