Royal Mint Proof Boxes – What Year, What Box? - Where the Royal Mint has been fairly consistent with the reverse designs used, they have not with the style of presentation boxes used.
Why gold is a good investment – and why it is so expensive and rare - Gold is rare. Gold is made when a star collapses and forms a supernova. This is such an exceptional event that in a Galaxy of 100 billion stars, the conditions for making gold only exist for less than one minute every century.