Guys, This is just my view so don't totally can me again.
As this has been going on since 31 March it is a friendly takeover and the annoucement of price will be final with full board approval. Their will not be a higher offer unless it comes from another party but the recent rand deal makes this highly unlikely.
This is not advice and do your own research but I would not be buying over 53c with the hope of a higher offer