Analysis of information sources in references of the Wikipedia article "Ceolwulf II of Mercia" in English language version.
"These coins enable us to re-interpret our history at a key moment in the creation of England as a single kingdom," according to Gareth Williams, curator of early medieval coins at the British Museum.
An example of a rare two emperor coin, hinting at a previously-unknown alliance between the kingdoms of Wessex and Mercia.
