Kobi Sharvit of The Israel Antiquities Authority Fatimid period gold coins that were found in the seabed in the Mediterranean Sea near the port of Caesarea National Park in Caesarea, Israel, Wednesday, Feb. 18, 2015. A group of amateur Israeli divers have stumbled upon the largest collection of medieval gold coins ever found in the country, dating back to the 11th century and likely from a shipwreck in the Mediterranean Sea. (AP Photo/Ariel Schalit) Israel on Wednesday unveiled the largest collection of medieval gold coins ever found in the country, accidentally discovered by amateur divers and dating back about a...