Roman Empire, Maximinus I 235-238AD Sestertius gFine Gold - 0.5g Proof Pedley's original preface implored readers

Pedley's original preface implored readers to sympathise with native animals

The reverse of the coin depicts a kangaroo hopping across the Australian landscape with a lizard perched on a rock in the foreground

The manta ray is one of the largest marine species on the Great Barrier Reef

The Who will go down in history as one of rock ‘n’ roll’s greatest bands

the new aluminium-bronze $2 coin took the place of the $2 note during Australia's bicentennial year

Roman Empire, Maximinus I 235-238AD Sestertius gFine Gold - 0.5g Proof Pedley's original preface implored readersRome 235 236AD Obv: IMP MAXIMINVS PIVS AVG Bust of Maximinus I, laureate, draped, cuirassed, right. Rev: PROVIDENTIA AVG S C Providentia, draped, standing left, holding wand in right hand over globe decorated with stars and zones and set on ground and holding cornucopiae in left hand