B. Max Mehl
... that B. Max Mehl, a coin dealer in Texas who made the hobby popular, advertised his "Mehl-ing list" in the 1920s?
... that <b id="mwBhw"><a href="./B._Max_Mehl" id="mwBh0" rel="mw:WikiLink" title="B. Max Mehl">B.<span id="mwBh4" typeof="mw:Entity"> </span>Max Mehl</a></b>, a coin dealer in Texas who made the hobby popular, advertised his "Mehl-ing list" in the 1920s?