In our childhood, we have seen gold mohor, guinea. They were used in practical use. And silver coins, gold coins, we saw. But now it is, everything, paper. So we are so advanced that there is no more gold and silver: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.