I don't mean to sound churlish here, because they surely deserve their moment of fun and fame, but mathematically every other set of hands they were dealt that night would have had the same probability of occurring. This arrangement of cards is visually striking, but not mathematically any less likely than any other specific distribution.
Everything was done as usual. The pack of cards was an old one. The cards were shuffled, cut and dealt as normal... "We play regularly and are always very careful to make sure the deck of cards is shuffled repeatedly.
27 November 2011
Four "perfect hands"
From a story in The Sun, via Arbroath: