the game , which dates back to australia 's goldfields and the first recorded games are believed to have taken place in the late 1790s , made a resurgence as a way to pass time in the trenches .
on saturday , as aussies commemorated the centenary of the landing at gallipoli , thousands of men and women , most with a beverage in hand , were yelling ` heads ' or ` tails ' as coins were thrown in the air .