If you mean who's wand did he get. There's no knowing if the wand had a previous owner as its not mentioned in any of the books that Ollivander sells wands that have been previously owned by other wizards.
What we know is that Harry's wand is the brother of the wand Voldemort asked Ollivander to make him.
Harry Potter's wand and Voldemort's wand
The strongest wand in the Harry Potter series is the Elder Wand.
Definately the voice activated illuminated wand!
my wand
No wands have names in harry potter, except the elder wand. Harry's wand is just referred to as "Harry's wand".
Harry Potter's wand is Holly and Phoenix feather, 11 inches long.
Harry Potter's first wand was made by Mr. Ollivander.
Harry potter's wand and lord voldemort's Wand share the same core so they can Only harm eachother
If your question is about Harry Potter's world, then it is the Elder Wand.
Ron Weasley stole a blackthorn wand from a snatcher. He later let Harry Potter use it until he could get another wand.
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If you are referring to how much it would cost in the books, it is unknown as the wand Dumbledore had in the books was the Elder's Wand, which he did not buy. It could however be priceless in the wizarding world as it is the most powerful wand to exist and was used by some of the most powerful and dark wizards in wizarding history.