Block & Skip tooth chain

[JonB2]

Is there any info / way to I.D. old chain. A date range would be helpful for matching them to the correct bike.
Im sure some one has researched this already & put it in print. Where do I find it?
Thanks.View attachment 1285335

 

[JonB2]

Next one

 

[JonB2]

Is there any info / way to I.D. old chain. A date range would be helpful for matching them to the correct bike.
Im sure some one has researched this already & put it in print. Where do I find it?
Thanks.View attachment 1285335



View attachment 1285336

View attachment 1285337

 

[Mike Rosseau]

This might help.

 

[JonB2]

Thanks Mike,
That clears up one!

 

[JonB2]

Any one know the pierced chain?