20 Euro cents KM#744 5.7300 g., Brass, 22.1 mm. Obv: Twelve stars surrounded the royal seal of 1142, along with the word "Portugal" and (date) encircle by castles and shileds.. Rev: 20 on the right-hand side, below EURO CENT in two lines; Six straight lines run vertically between the lower and upper left hand side of the face, 12 stars are superimposed on these lines, one just before the two ends of each line, superimposed on the mid - and upper section of these lines, the European continent ( extended ) is represented; the initials ‘LL’ of the engraver appear between the numeral and the edge on the right-hand side of the coin. Obv. Designer: Vitor Santos Rev. Designer: Luc Luycx Edge: Notched