After carefully studying the print, Schaaf speculated that the “W” might be the initial of Thomas Wedgwood and that the print possibly could have been produced as early as 1805.
Po pečlivém studiu tisku Schaaf spekuloval, že "W" by mohlo znamenat iniciály Thomase Wedgwooda, a že fotogram mohl být vytvořen ještě před rokem 1805.