A TYCOON who invested in a giant block of solid gold has gone bankrupt – and punters now have the chance to own a slice of the $23million cube.
The Castello Cube, a modern art piece made entirely from 24-carat gold, is up for grabs after real estate mogul Klemens Hallmann went broke.
The Austrian businessman, 49, owns a 32 per cent stake in the mind-boggling square.
Authorities have now seized it as part…