William Thorne
... that American philatelist William Thorne owned a unique block of four United States 1869 24-cent stamps with an inverted center showing the signing of the U.S. Declaration of Independence?
... that American <a class="mw-redirect" href="./Philatelist" id="mwAb0" rel="mw:WikiLink" title="Philatelist">philatelist</a> <b id="mwAb4"><a href="./William_Thorne_(philatelist)" id="mwAb8" rel="mw:WikiLink" title="William Thorne (philatelist)">William Thorne</a></b> owned a unique block of four United States 1869 24-cent stamps with an inverted center <i id="mwAcA">(pictured)</i> showing the signing of the U.S. Declaration of Independence?