Trials thumb|alt=A rectangular calling card printed with "Marquess of Queensberry" in copperplate script.|The Marquess of Queensberry's calling card with the handwritten offending inscription "For Oscar Wilde posing ". The card was marked as exhibit 'A' in Wilde's libel action.
trials thumb|alt=a rectangular calling card printed with "marquess of queensberry" in copperplate script|the marquess of queensberry's calling card with the handwritten offending inscription "for oscar wilde posing " the card was marked as exhibit 'a' in wilde's libel action