Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |description=First Day Cover Benjamin Franklin 1/2¢ "Prexie" issue Scott 803 at Franklin Institute, Philadelphia, PA |date=May 19, 1938 |source=USPOD (Stamps); The Franklin Institute (cachet) |author= |permission={{PD-USGov}} (stamps); |other versions= }}