Checklist Editor Mark Honig has finalized the first 2026 update of the MoS Checklist (January 2026 to June 2026). This new update, along with previous updates, are always available as Microsoft Excel files to download from the “Checklist Updates” section on the MoS Checklist page.
CPS Resource Centre
Donation to ATA recognizes the cartophilatelic contributions of David Wolfersberger