Takagi is a brand of Japanese whisky.
A bottle of 25-year-old cask strength Takagi is worth $900.
Chance was paid with a bottle in the Pilot, but it was destroyed (by being used as the basis of a Molotov cocktail) later while saving the Limousine Client played by Danny Glover.
Takagi is a village in Nagano Prefecture and a common Japanese surname. As a fictional whisky, it may be an homage to the character Joe Takagi from Die Hard. (TVtropes)