User talk:2600:6C67:4880:A01:A992:7DE2:20A0:EC5C

Recent edit to History of United States postage rates
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, History of United States postage rates, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you! Baby miss fortune 02:19, 20 January 2019 (UTC)