Update 2023: a pair is offered on eBay for €2999. The original price was around $300, but the cufflinks have become extremely rare and valuable, and can fetch sometimes even more than $1000. 5245) is also part of that collection, although they are not used in the movie as far as we know. Another pair of cufflinks (palladium with a big onyx stone modelnr.
The cufflinks are part of the 2006 James Bond Casino Royale collection, which includes pens, lighters, cigar cutter and more. Dupont Bond accessories are inspired from the design of the Tuxedo he wears in the movie. These exclusive cufflinks come with a certificate which states that they are the exact reproduction of the cufflinks from the movie. Dupont has created a pair of exclusive palladium cufflinks in a very distinctive and forceful shape, worn by James Bond in Casino Royale (2006).