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The official logo of the occasion: the 750th anniversary of Győr. The bastion...
Depiction of a half-length portrait of Sandor Petöfi, based on an 1846 ink drawing...
György Cziffra’s portrait is seen with a concentrated look on his face. CZIFFRA...
Depiction of a half-length portrait of the world-famous mathematician. WOLF-DÍJ...
The Hungarian coat of arms surrounded by a stylised network of interlocking semi-circles....
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...
