Guitar pick with cannon and soldiers.The 11 month siege of Boston ended when George Washington's army fortified Dorchester Heights with cannons captured at Ticonderoga. The British garrison and navy retreated to Nova Scotia. The city where the rebellion began was the first to be liberated. This pin was released in the cafe on January 22,2011. Painted style. 5 lines print. Logo - Musical Theme - Guitars Drums Logos etc Pattern. This pin was sold through retail and/or online. Base Material is Silver Appearance