Sirius Black's wand

The wand of Sirius Black was of unknown wood, and core materials; it was noted to be fifteen and a half inches in length^[2]. Like most wizards and witches in Great Britain, he likely purchased it at the age of eleven before beginning at Hogwarts School of Witchcraft and Wizardry in 1971. He was also able to perform powerful magic with this wand, such as casting nonverbal spells. It is unknown what happened to his wand after his death.

Behind the scenes

Sirius presumably lost his wand when he went to Azkaban. It is unknown how, or if, he retrieved it, because he could have had another one given to him after his escape.
The wand has a distinctive handle, being square-like in shape. Symbols are etched upon it.
This wand bears a resemblance to Sybill Trelawney's wand, though there are slight differences.
Although it is unknown what happened to the wand after Sirius's death in the books, in the film adaption of Harry Potter and the Order of the Phoenix, the wand appears to break when Bellatrix kills Sirius.
Just like Voldemort's wand, the Noble Collection makes Sirius's wand of a different colour than in the film adaptions, the wand has a light brown colour when it's shown in the film adaption of Harry Potter and the Order of the Phoenix, and in the Noble Collection it has a dark grey colour.

↑ A replica of the wand is available on the Noble Collection website, contained in an Ollivander's wand shop box. However the website has been known to advertise errors in this regard.
↑ ^2.0 ^2.1 See this website