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Portugal
The edge embossing on the Portuguese 2‐Euro‐commemorative coins is :

(The edge shows seven forts and five heraldic shields)
Portuguese mint marks
until 2019 : INCM
from 2020 :
CASA DA MOEDA
Image Country Feature Ref.  
Portugal 10 years of Economic and Monetary Union (EMU) 20001
20002

Description : In 1972 the European Exchange Rate Mechanism was created to limit fluctuations between currencies. In 1975 a basket of currencies was used to define the European Currency Unit (ECU) and in 1979 the European Monetary System was created. 1990 saw the start of the first stage of European Economic and Monetary Union (EMU) and in 1994 the second stage, during which the European Monetary Institute prepared for the establishment of the European Central Bank (ECB). In 1996 the European Commission established the currency abbreviation €. In 1999, saw the third stage of EMU, all participating currencies were linked to the euro by exchange rate parity. In 2008 a design competition was held for the EMU Community Edition coin and out of 5 proposals a winner, Georgios Stamatopoulos was determined by an online vote. The design shows a stylised human stick figure on the blank space of an irregularly shaped ancient coin, with the € symbol on the left arm. It symbolises the transition from the bartering of archaic times to European Economic and Monetary Union (EMU). Below the € symbol are the designer's initials "ΓΣ" and the years "1999‐2009".
National characteristics : Above is the name of the issuing country "Portugal", the acronym of the occasion of issue below is "UEM". The coin was minted without mint mark by the Portuguese mint Imprensa Nacional‐ Casa da Moeda S.A. in Lisbon.
 
References :
20001 Images taken with authorisation by the ECB ‐ Mail dated 20.Feb.2020
© "European Central Bank"
20002 Text taken from German Wikipedia and translated by DeepL
20003 Images taken temporally from the Internet 20004 Not Applicable