what did the symbol or logo look like?
The thistle, the national flower of Scotland
Order of the Thistle

The Order's primary emblem is the thistle, the national flower of Scotland.
what is the order of the thistle? An order of chivalry associated with Scotland when was it started? 1687
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Order of the Thistle [SEP] Introduction
Its equivalent in England, The Most Noble Order of the Garter, is the oldest documented order of chivalry in the United Kingdom, dating to the middle fourteenth century. In 1783 an Irish equivalent, The Most Illustrious Order of St Patrick, was founded, but it is now dormant.