The Royal Typewriter Company, founded 1904
THE GOLDEN ROYAL PORTABLE
Acquired by Stanley J Seeger for $150 from The Royal Typewriter Company.
For a further illustrated example see Tom Hanks and Anthony Casillo, Typewriters, San Francisco, 2017, p. 176. Casillo illustrates an example that was bought by Ian Fleming in 1952. Fleming's Golden Royal Portable was offered at auction in 1995 and became the worlds most expensive typewriter when it sold for £56,250.