AUSTRALIA – 1918, George V 5d stamp block – worth US.$.23,490

George V 5d stamp block is a rare block of four that is the largest multiple of the Australian George V 5d. The block is considered to have been printed on paper left over from the 1d 1918 printing, which explains its use of rough bright chestnut paper. Today George V 5d stamp block is one of the most important multiples of the King George V series which was auctioned in Sydney, Australia on May 23, 2012 and fetched $23,490.