Smithsonian posted a guide to "5 Essential James Bond Accessories." The list ranges from his Rolex "Sawtooth Submariner" seen in Live and Let Die (and sold last year at auction for $200k) to the Parker Jotter pen from Goldeneye. You can purchase the same pen for just $6 but it's unfortunately C4-free. That said, it would make an excellent stocking-stuffer to accompany the new collection Bond 50: The Complete 22 Film Collection just out on Blu-ray and DVD.
Available today is Bond 50: The Complete 22 Film Collection on Blu-ray and DVD. (Of course, "complete" is arguably a misnomer because the set doesn't include Casino Royale or Never Say Never Again which were independent productions apart from the official series.) Bond 50 is $150 on Blu-ray and $100 on DVD.