https://www.google.com/search?q=gree...&bih=815&dpr=1
Not new at all and you can see from the above that many places were offering it.
Don't include Cherokee Green since that's an OP variety.
I think there is still another one that was bred by one of the large tomato commercial breeding companies based on the West Coast. I think that's the one I grew maybe several decades ago.
Carolyn