Normally, I'm not one to give up too easily, but yeah if the content was not so important I would have thrown them out years ago.
Developing them with b&w chemicals is probably my next step then.
Stone, I don't think it's worth trying to post pics of the film. No detail would be visible.It's just a plain green strip with lots of little square holes along both edges!
I'm 100% sure the canisters are not re-used. They're original Kodacolor II clearly marked as C41. And I have earlier Kodacolor X marked as C22.