Why this theme is showing up

Real examples with the stored reasons/explanations.

Postmark · 2026-04-03

Gist: The post warns that USPS postmarks may reflect processing time rather than mailing time, which creates uncertainty for collectors and buyers. It recommends hand-canceling at the counter when an exact date matters.

Signal reason: The content describes a negative operational limitation: postmarks may no longer reflect the actual mailing date.

Source