It depends on its weight and from where you are sending it.
$1.10
60c-90c
$1.36
The cost of air mailing a letter from Australia to Ireland is $2.60. A registered letter is about $22.00. It takes three to ten days for the transit.
US$0.98
At the current time, March 2013, it costs €0.82 to send a normal letter from Ireland to Canada.
€2
That depends on where you are mailing it from.
90 cents of 1/2 oz.
A four-letter synonym for Ireland is "Eire" - but this is not an abbreviation.
Ireland is a country (so, there are no other countries in Ireland). However, another name for Ireland is Eire.There are 32 counties in Ireland (including the six in Northern Ireland), but none of them start with the letter E.
$2.66 for a first class letter from the US to Ireland.
1 ounce - a card or 4 page letter = .90 cents