Nikon auto extension ring for macro its in near mint condition i don’t thin its been used more than a couple of times. its boxed with original instructions , the box is not brilliant condition but apart from that ,there would be no advantage in buying new.
Also have Nikon SB12 flash for F3 with leather case ss-12, Mint 35 euro and Nikon sc-14 TTLremote cord and coupler 30 euro for both for quick sale.