Izumi chain

[Gish]

right fellas i got this izumi chain on a bike i bought and have never seen one like this before

i was wondering if it is rare and what bike had them on bitd  and value of it

it reads ' Izumi 5y japan' on all the links

[bodamus]

Izumi slotted chain from the 80's I still have one. I think they are nickel plated