清单套是为邮政局内部业务处理的需要而印制的一种专用信封, 单式编号有“邮1205”、“邮1205 甲”、“邮1205乙”等。各地印制的清单套规格大小不一,颜色艳丽醒目。常见的有大红、朱红、淡绿色等。也有用已停止使用的快件信封印上“清单套”后而废物利用的。清单套也是邮政公事的另一种表现形式,通常是某地的邮件直封到目 The checklist is a kind of special envelope printed for the needs of the post office’s internal business processing. The simple serial number is “Mail 1205”, “Mail 1205 A”, “Mail 1205 B” and so on. Printed list of sets around the size specifications, eye-catching colors bright. Common red, vermilion, light green and so on. Also useful has been stopped using the mailing envelope printed on “list sleeve ” after the waste utilization. List sets is another form of postal service, usually somewhere in the mail is sealed to the head