回複：一個題外話向諸位請教，請班主暫時別刪

來源: 於 2006-04-12 08:02:29 [舊帖] [給我悄悄話] 本文已被閱讀：次

Google 'US currency error', 'Error Note' or 'misprint'.

Or you can go to a library and read on books like 'The official blackbook price guide to US paper money', 'United States Paper Money Erros', etc.