Symbols Of Ireland

 The Irish Coat of arms is described as "a harp or, stringed argent, on a field azure." The harp has been used in the Irish coat of arms since medieval times, being found as far back as 1270. The harp is found on the banners of the Irish brigades in the armies of the seventeenth and eighteenth centuries.
The harp today is used as the symbol of the Irish State. It is found in the seals of the President, Government Ministers and is used on the back of Irish coins.
The Presidential Standard is a blue flag with the heraldic harp. The model for the harp is the 14th century harp known as the Brian Boru harp in the Museum of Trinity College, Dublin.
The badge of Ireland the Shamrock is used sportsmen and teams. The Shamrock is also used in the logos of the Irish Tourist Board and Aer Lingus. Traditional belief is that St Patrick, the patron Saint of Ireland, explained the mystery of the Christian trinity by the shamrock for the demonstration.
The Shamrock is restricted to use by the Irish State, its licensees or by registration as a symbol of Ireland with the World Intellectual Property Organization.