Which one of the following statements about Gupta coins is not correct?

• A. Gupta kings issued large number of gold coins known as Dinar.
• B. Chandragupta II, Kumaragupta I, Skandagupta and Budhagupta issued silver coins.
• C. The obverses of coins are carved with the images of the kings and on the reverse are carved deities.
• D. The largest number of coins issued Canada by the Guptas were of copper.