Champion sire I Am Invincible has created another piece of Australian racing history, becoming the first sire whose progeny have earned over $30 million in Australia a single season.

The Element Hill Dispersal at the Magic Millions National Sale features some intriguing horses but none more so than the yearling-half-sister by Wootton Bassett (GB) to champion racehorse Golden Sixty and she duly attracted plenty of attention on Tuesday before selling for $1million.