John McFerlan registered a mark on 13th March 1762 as a small-worker. He then registered three other marks as a buckle-maker between 1777 and 1784. He then registered a mark as a plate-worker and another incuse mark on 9th May 1786. His mark is very distinctive as the M & F are conjoined.
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c1780 - 1784
1784 - 1786