Estimated Grid ... Early 6th c. A.D.
Coins: 2 June 1937 #1 Estimated Grid ... 5th c. A.D.
Coins: 7 June 1937 #1-#7 Estimated Grid ... 4th c. A.D.
Estimated Grid ... Third quarter 3rd. c. A.D. ?
Estimated Grid ... Mid-3rd c. A.D.
Estimated Grid ... Early 3rd c. A.D.
Estimated Grid ... Late 2nd c. A.D.
