Very Nice 2" Odd Shaped Challenge Coin! Designed by Military Veterans Unreal Detail and Weight! Amazing 1.75" Solid Brass Die Struck Challenge Coin! You WONT be disappointed with this military coin! 100% satisfaction! 9/11 Operation Enduring Freedom Challenge Coin Americans and the world were shocked by the September 11, 2001 attacks on the United States. In response, President George W. Bush on October 7, 2001 announced a Global War on Terrorism under Operation Enduring Freedom (OEF). This led to 13 years of conflict in Afghanistan commonly referred to as the War in Afghanistan. This coin is a reminder to never forget those effected by or who died on September 11th and the hundreds of thousands of troops that served and sacrificed over the following 13 years of conflict. OEF also had lasting effects on the members of NATO and their heroic contributions to the War on Terrorism. Hold on to this coin to honor those who served and as a constant historical reminder. This coin is a reflection of cause and effect with all of 9/11’s attacked locations on one side and the Operation Enduring Freedom shield on the other. This coin is odd shaped, measuring 2 inches wide by 1.5 inches tall, which is perfect for both displaying or carrying with you. This keepsake is a perfect item who has been affected by the War on Terror.