Pattern GBGKRKBKWMarch 18, 2023 19 s GBGKRKBKWIt is a 9 stripes tartan.Colour SequenceGBGKRKBKWList of tartans with this colour sequenceTartansBirch (Personal) (Estimated threadcount)Birch (Name)BirchBirch Family Tartan Tartan Number: 2157. Earliest known date: 1993 The Birch family tartan was designed and produced by Mr Robin Birch of Connell Reid kiltmaker, Blairgowrie. The new sett has been recorded by the Scottish Tartans Society. See products available Copyright © Blair Urquhart, Comrie, 2015