Australia, Melbourne, W.J. Taylor, mule Halfpenny, 1851, in copper, kangaroo right, rev. Liberty seated left, united states, 6h (A 475; KM. Australia Tn 245; Baker 3A mule; cf. Noble 82, 816). Minor die rust, otherwise brilliant and as struck, extremely rare (£3,000-3,500)

Slabbed in SEGS holder, graded PR 64