This one to be pegged to the British Pound.
I am guessing the move is to usher in more clients in that region.
His tweet can be seen here:
(Source: https://www.ccn.com/binance-tests-british-pound-stablecoin)
It will be interesting to see what this does to the BNB coin.
And it's a bit surprising they didn't try to peg it to the US dollar.
Perhaps they don't have enough US customers to go that route yet.
I would bet they do eventually.