http://www.scotclans.com/scottish_ma...s/AP-AC01.html

Quote
Pewter cufflinks with Celtic knotwork design. Classic and timeless, the Celtic Knot symbolises the never ending eternal circle of life. Approx 20mm across. £15.99
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They also have clan stuff and a few other tie pins and cuff links of a Celtic/Scottish nature.

Not sure if this is what you want.

Chris.