Sotheby 's to auction only two of the earliest versions of Sotheby 's . Document expected to go for at least $ 20 million to $ 30 million . The charter mandated the English king to cede certain basic rights to his citizens , ensuring that no man is above the law . Charter mandated king to cede certain basic rights to citizens . Redden bought this version in 1297 .
Sotheby 's to auction only two of the earliest versions of Sotheby 's . Document expected to go for at least $ 20 million to $ 30 million . Charter mandated king to cede certain basic rights to citizens . Redden bought this version in 1297 .