They all show seals of Afonso Henriques, first king of Portugal (1109-1185), encircled by castles and coats of arms: the 1144 seal is on the €1 and €2 coins; the 1142 seal is on the 10, 20 and 50-cent coins, and the very first royal seal of 1134 is on the 1, 2 and 5-cent coins.
The edge lettering on the €2 coin consists of five coats of arms and seven castles equally spaced.
€ 2
![euro_coin_2_euro.png euro_coin_2_euro.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_2_euro_18.png?itok=8bfwFwK5)
€ 1
![euro_coin_1_euro.png euro_coin_1_euro.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_1_euro_15.png?itok=EMiUpHFm)
50 cent
![euro_coin_50_cents.png euro_coin_50_cents.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_50_cents_16.png?itok=F8X5jbSl)
20 cent
![euro_coin_20_cents.png euro_coin_20_cents.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_20_cents_18.png?itok=ytHtpEFn)
10 cent
![euro_coin_10_cents.png euro_coin_10_cents.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_10_cents_16.png?itok=SrbGHDyq)
5 cent
![euro_coin_5_cents.png euro_coin_5_cents.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_5_cents_16.png?itok=sbac5ysu)
2 cent
![euro_coin_2_cents.png euro_coin_2_cents.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_2_cents_16.png?itok=w38OEulF)
1 cent
![euro_coin_1_cents.png euro_coin_1_cents.png](/sites/default/files/styles/oe_theme_medium_no_crop/public/2017-01/euro_coin_1_cents_16.png?itok=OB8zGj55)