Mint-made errors 5 centavos. Foreign coins struck on a U.S coin planchet or vice versa are very uncommon and hold a high value. Authentic error coins should not be confused with coins that are damaged after being minted, which is known as post-mint damage (PMD) or post-strike damage (PSD). Mints purchase long strips of metal which are fed through blanking machines that punch out disks known as blank planchets (or simply as planchets or blanks) on which coins are struck. This determines the size and shape of eventual coins. The punched disks are first known as "type-1 blanks (or planchets)". The disks
Blankety Blanks (Australian game show) Mark Goodson and Bill Todman. Indeed, the "Blankety Blanks" set looked almost identical to its American counterpart. The series also used a similarly stylised logo. One of the conditions Kennedy requested when he started "Blankety Blanks" was the right to choose the members of the panel. If they worked well they would be retained, but if they didn't, they wouldn't be asked back. The first episode aired on TEN-10 Sydney on Monday, 24 January 1977 at 7:30pm, where it was telecast Monday to Friday. After six weeks of broadcasting at 7:30pm the show was moved into the 7pm slot, where