Postmarks from USA postal service can be obtained directly through the service for a limited time after they’re being issued. The USPS issues a postal bulletin every two weeks that includes new stamp and postmark issues and instructions about how to obtain them. You can view over 20 years of Postal Bulletins by going to USPS Postal Bulletin
Gaski L/H | 19 Aug 2023 | C2914
Port Północny L/H | 19 Aug 2023 | C3080.8
Perry Memorial Monument | 13 Jun 2023
Castle Hill L/H | 24 Jul 2023 | J0530
Thanks to Jaap for bringing these to our attention.
