2 Euros Constantin Carathéodory

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Reverse description	The standard common reverse design for the 2 Euro denomination, as introduced in 2007, displays a large numeral '2' to the left of centre, with the inscription EURO to the right. Behind the denomination, a stylised map of the European Union is depicted, showing the continent without internal borders against a finely lined globe motif. Twelve stars of the European Union are arranged around the outer ring of the coin.
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Mintage	2023 - - 745,500 2023 - BU Version - 3,000 2023 - Proof Version - 1,500
Additional information	Carathéodory was born in Berlin in 1873 and spent much of his career at German universities — Munich, Göttingen, Berlin — yet Greece claimed him for this commemorative on the 150th anniversary of his birth. The choice is defensible: he held a chair at the University of Athens and, following the catastrophic Greek defeat in the Greco-Turkish War, was tasked in 1920 with building the Ionian University of Smyrna from nothing, acquiring library collections and equipment across Europe before the city burned in 1922 and the project collapsed entirely. His mathematical legacy rests primarily on his work in the calculus of variations and his axiomatic formulation of thermodynamics.