Age / date of manufacture. C1979 (use of the flame pontil on the base and the introduction of the black and gold triangular label happened c1979). Measures just over 9" (23 cm) tall and is approximately 3 7/8" (9.8 cm) in diameter across the rim measured outside edge to outside edge. Measures approximately 3 7/8 (9.8 cm) in diameter across the base.