A capital that very likely was part of King David's Palace at the top of the City of David. It's Phoenician style dates it exactly to the time when King Hiram of Tyre (Phoenicia) assisted King David in the building of his palace. It was found by Kathleen Kenyon during the 1960's.
Capital from King David's Palace
It can be seen today in the Israel Museum.
Proto Ionic Capital in Israel Museum