|The Smith's of Mauchline obtained the authorisation of
the 7th Duke of Argyll (1777 - 1847), before publishing
this version under the title 'Campbell of Argyll' in 1850.
Alastair Campbell of Airds, yr., (Campbell Tartan, 1985),
suggests that the white lines indicate a 'differenced' sett
for the personal use of the chief.