Malta, 1974 AD., Republic, Notre Dame Gate commemorative, 4 Liri, KM 25.

Malta, Republic, Malta mint, 1974 AD.,
4 Pounds (38 mm / 20,01 g), 0.9870 silver, mintage 24.000 , reeded edge,
Obv.: MALTA , legend below crowned Maltese arms with supporters, motto "VIRTVTE ET CONSTANTIA" on ribbon.
Rev.: 1974 - ₤M 4 , Cottonera Gate.
KM 25 .

The Cottonera Gate, also known as Notre Dame Gate was built in 1675 by Grand Master Fra Nicola Cottoner as the principal gate into Cottonera - 9km of continuous fortified trace that encircles the three cities.