2nd - 3rd B.C.
Many small saucers ... Late 4th B.C.-early 3rd
Early 3rd B.C.
Coin: 28 May 1937 #2 ... Second Quarter of 5th - Early 3rd B.C.
Second and Third Quarters of 5th B.C.
Geometric - 6th B.C.
Late black figured ... 7 June 1937