| URL | Priority | Change frequency | Last modified (GMT) |
|---|---|---|---|
| https://www.uspcs.org/society/awards-and-recipients/the-uspcs-medal/uspcs-medal-winners-2018/ | 60% | Weekly | 2019-04-04 16:00 |
| https://www.uspcs.org/society/awards-and-recipients/major-annual-awards/award-recipients-2016-17/ | 60% | Weekly | 2018-02-08 17:02 |
| https://www.uspcs.org/resource-center/research-projects/recut-and-plate-varieties-of-the-3cent-1851-imperforate-stamp/ | 60% | Weekly | 2018-02-08 14:57 |