Berdera Signal atau isyarat Kapal 35x45cm 40 Lembar The International Code of Signals (ICS) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters. Alphabet flags ( A Z ) Substitutes ( 3 lebar ) Numeral pennants ( 0-9) Seize: 35x45cm,(1 set Isi:40 lembar )