Letter Opener Thistle Pewter. This is a very striking Pewter Letter Opener with a plain blade. The Letter Opener has a Scottish Thistle on the Handle with raised dots on the base. The Pewter Letter Opener measures approx 18 – 19cm long and is made by British craftsmen. The Thistle Letter Opener is presented in a dark blue leatherette box on a velveteen pad. The Letter Opener could be engraved on the blade.