500,000,000 in the O/S after retiring 4.7 billion shares you mean? That's impossible!
The A/S was just increased by 4.8 billion to give to MONA shareholders as a dividend and to pay for the Australian Nintendo.
That would be 4.8 legitimate restricted shares in the O/S in addition to the 4.7 illegitemate shares you mentioned. So, even if they recovered the 4.7 billion, how could the O/S ever be 500,000,000 when and additional 4.8 BILLION are to be dispursed?