AC R43 spark plugs

[Tommy_Mathison]

Looking for a set of vintage "3 ring" AC R43 spark plugs. Thanks!

[Mr70]

Tommy
When you say "3 ring",do you mean 3 white rings below one top green ring?..Or even 4 green rings?
I have many vintage boxes of 8 R43T plugs fitting both descriptions all dated 1969-72.