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On the reverse, a depiction of Péter Lax is featured as he is writing on an imaginary...
Depiction of an an elderly portrait of the mathematician; on the right, πn(0(∞))≅πn+8(0(∞))....
A Kookaburra sitting on a tree branch. AUSTRALIAN KOOKABURRA, 2021 5oz 9999 SILVER...
An adult kangaroo on a grassed plain with a joey in the background. The marsupials...
A sleepy koala nestled between the branches of an eucalyptus tree. AUSTRALIAN...
A koala clinging to a tree branch. The design also includes the inscription ‘AUSTRALIAN...
A kookaburra perched on a corrugated rooftop at dawn with stylised rays of light...
The coin portrays a representation of a kookaburra perched on an ornamental garden...
A magnificent wedge-tailed eagle swooping on its prey in the midst of a hunt. The...
A wedge-tailed eagle in flight, holding a snake in ist claws. AUSTRALIAN WEDGE-TAILED...
