The 10.75x68 and it's use in Australia?

Following the .404 and comments on its use in the Top End, I'm looking for comments on the use of the 10.75x68 in the Top End, Australia or elsewhere. Historically or in modern times.

Particularly for buffalo.

I've over the years seen a fair few 10,75x67s advertised for sale.

The use of the 10.75x68 is a bit controversial. Some considering it "useless" for big dangerous game. Heavily influenced by the unsuitable 350 gr bullets being two fragile once only being available.

Also with modern powders, what would be the cartridges ballistics using either the normal 350 gr weight projectiles. And 400gr projectiles,