This 1978 International Society of Postmasters Irish Currency 50th Anniversary Silver Medal is a stunning commemorative piece made of 92.5% silver. Weighing 20 grams and with a diameter of 39mm, this uncirculated medal is a must-have for any coin collector. Made in the United States, this medal celebrates the Irish Currency's 50th anniversary. This medal is uncertified and a perfect addition to any collection.