How does the blue USPS box work? A while ago, I shipped a small package and it cost like $6, but it was less than 13 oz. So could I have just
![People are only just realising what the different postbox symbols mean and they're rushing to check their nearest one | The Sun People are only just realising what the different postbox symbols mean and they're rushing to check their nearest one | The Sun](https://www.thesun.co.uk/wp-content/uploads/2023/01/red-royal-mail-post-box-816654516.jpg)
People are only just realising what the different postbox symbols mean and they're rushing to check their nearest one | The Sun
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