An example of Smythson's work: an engraved, monogrammed calling card A Smythson store located at the Royal Exchange, London. Frank Smythson Limited, commonly known as Smythson (/ s m aɪ θ s ə n /), is a British manufacturer and retailer of luxury stationery, leather goods, diaries, and fashion products based in London, England.The company's founder, Frank John Smythson, was born in 1847 at ...