There is no Allardice Tartan registered, so as they are seen as a sept of Clan Graham they can wear the Graham of Montrose tartans.
Graham on Montrose Ancient
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![Graham of Montrose Modern](https://cdn.shopify.com/s/files/1/2328/7233/files/GrahamMontrose_mod_346_480x480.png?v=1634987955)
Graham of Montrose Modern
There is no Allardice Tartan registered, so as they are seen as a sept of Clan Graham they can wear the Graham of Montrose tartans.
Graham on Montrose Ancient