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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 50 years of the first bridge uniting the two riverbanks of the Tagus River 20001
20002
 

Description : The coin shows the central section of the 25th of April Bridge, which first connected the banks of the Tagus in Lisbon. Under the name of the leader of the dictatorship of the so‐called Estado Nova, António de Oliveira Salazar, it was inaugurated in 1966 as the "Salazar Bridge", but renamed "Ponte 25 de Abril" after the Carnation Revolution of 25th April 1974. The 2278 m long suspension bridge spans the mouth of the Tagus, the longest river on the Iberian Peninsula (1000 km), into the Atlantic Ocean. The height of the roadways of the double‐decker bridge above the water is 70 m. At the top right, the lettering "PORTUGAL" and ‐ as in the coat of arms of Portugal ‐ the coat of arms shield are depicted on an armillary sphere. At the bottom right, "PONTE", "25 DE ABRIL", "1966 and "2016" can be read below each other. The lower edge of the pill shows "INCM", the mint mark of the Portuguese mint Imprensa Nacional‐ Casa da Moeda S.A. in Lisbon, and "JOSÉ AURÉLIO", the name of the 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