EXC+
Original Nikkor plastic protective lens dome roughly 90x90mm which is most likely designed to fit the standard lenses (28/35/50/85mm).
Judging from the Nippon Kogaku branding this was released alongside the original F-mount lenses for the Nikon F.
...WARRANTY & GRADING GUIDE NEW ITEMS: WARRANTY IS AS PER MANUFACTURER WARRANTY ALL NEW STOCK IS UK STOCK AND NOT "GREY IMPORT" THEREFORE PRICES ARE INCLUSIVE OF V.A.T USED ITEMS: WARRANTY: ALL USED EQUIPMENT OF £100 AND OVER INCLUDES A 12 MONTH GUARANTEE ALL OTHER USED EQUIPMENT UNDER £100 INCLUDES A 6 MONTH GUARANTEE. MINT = AS NEW USUALLY WITH A BOX MINT- = VIRTUALLY INVISIBLE SIGNS OF USE EXC++ = VERY LIGHT USAGE EXC+ = SIGNS OF FAIRLY LIGHT USE EXC = OBVIOUS SIGNS OF USE GOOD = WELL USED BUT FULLY OPERATIONAL ANY FURTHER QUESTIONS PLEASE CONTACT US VIA PHONE OR E-MAIL
