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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 250 years since the foundation of the Imprensa Nacional 20001
20002
 

Description : The commemorative coin, designed by Eduardo Aires, is dedicated to the National Printing Office, founded 250 years ago, which publishes the Portuguese Official Gazette with all the country's legislative measures, as well as books of the highest cultural value and other cultural works. The eight‐line inscription reads "1768‐2018 IMPRENSA NACIONAL DUZENTOS E CINQUENTA 250 ANOS PORTUGAL MMXVIII" (1768‐2018 National Printing House Two Hundred and Fifty 250 Years of Portugal 2018). The Imprensa Nacional ("IN") printing works was merged with the Casa da Moeda ("CM") mint in 1972 to form the Imprensa Nacional‐ Casa da Moeda S.A., whose mint mark "INCM" is shown below right. At the bottom left is "Eduardo Aires", the name of the coin designer.
 
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