Pattern BBKBKBBKBKBKBKBBKBKBMarch 18, 2023 21 s BBKBKBBKBKBKBKBBKBKBIt is a 20 stripes tartan.Colour SequenceBBKBKBBKBKBKBKBBKBKBList of tartans with this colour sequenceTartansIndigo BlueIndigo Blue Works Corporate Tartan Tartan Number: 2352. Earliest known date: January 1997 Indigo Blue Works is a UK blue (indigo) denim material weaver and this tartan was designed to promote their products in the Japaneses market. (STS data). The tartan was launched at a filmed ceremony in Pitlochry. See products available Copyright © Blair Urquhart, Comrie, 2015