At first, "the pope demanded twelve thousand ducats for the twelve apostles. Albert offered seven thousand ducats for the seven deadly sins. They compromised on ten thousand, presumably not for the Ten Commandments". Bainton, Roland. Here I Stand: A Life of Martin Luther (Nashville: Abingdon Press, 1950), p. 75, online
According to Roland Bainton, for example, it is true. Bainton, Roland. Here I Stand: A Life of Martin Luther (Nashville: Abingdon Press, 1950), p. 79, online
One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Albert". Encyclopædia Britannica. Vol. 1 (11th ed.). Cambridge University Press. pp. 496–497.