Canadian collectors can still submit directly to PSA’s submission center in Halifax via mail or drop-off.
PS: Hopefully goes without saying, this is not intended to be a political post.
Source: https://www.psacard.com/articles/articleview/15158/2025-tariff-regulations-canada-mexico-china

Considered the world’s first Christmas stamp…
“The 1898 2-cent stamp features a collage of Queen Victoria’s crown at the top, a Mercator map of the world with the nations and colonies of the British Empire displayed in red, “Xmas 1898” and the phrase, “We hold a vaster empire than has been.”