Thanks to the Christie's Bond at 50 auction in 2012, we know that a David Linley letter knife and letter tray were on M’s desk in Quantum of Solace (2008). The auction sold the letter knife and tray including a prop letter, envelop and a note.
Please note: this page contains affiliate links, which means that if you buy something via one of the product links or banners, I might receive a small commission, but the price is the same for you. Full affiliate disclosure.