Some images of the ledger, seeing as the article doesn&#x27;t contain any for some reason:<p><a href="https:&#x2F;&#x2F;en.wikisource.org&#x2F;wiki&#x2F;Popular_Science_Monthly&#x2F;Volume_81&#x2F;December_1912&#x2F;The_Evolution_of_the_Dollar_Mark#&#x2F;media&#x2F;File:PSM_V81_D534_The_modern_dollar_mark_in_the_making.png" rel="nofollow">https:&#x2F;&#x2F;en.wikisource.org&#x2F;wiki&#x2F;Popular_Science_Monthly&#x2F;Volum...</a><p><a href="https:&#x2F;&#x2F;en.wikisource.org&#x2F;wiki&#x2F;Popular_Science_Monthly&#x2F;Volume_81&#x2F;December_1912&#x2F;The_Evolution_of_the_Dollar_Mark" rel="nofollow">https:&#x2F;&#x2F;en.wikisource.org&#x2F;wiki&#x2F;Popular_Science_Monthly&#x2F;Volum...</a>