Photo via Wikimedia Commons
One example. Colors, sub-models, and production years vary; the machine you find may differ.
"wrote on a Royal Quiet De Luxe; one is preserved at his Finca Vigía house in Cuba"
— Ernest Hemingway
"ordered a gold-plated Quiet De Luxe after finishing Casino Royale"
— Ian Fleming
"carried a Quiet De Luxe through his early reporting years"
— Tom Wolfe
External, in their original form. The people who know these machines best — click through to read and watch.