there's no National TG2 AFAIK, there is only TG2 (regular commercial non-neo), TG2 NEO commercial, TG2 Provincial Blue sponge.
I've tried TG2 NEO when it was tacky (older batches) and it was a good rubber. Currently playing with TG2 Prov BS on my penhold setup. It plays well on Stiga Rosewood...