What Wine or champagne starts with the letter k and is in a flat black colored bottle?

There is no wine or champagne that starts with the letter "K" and is in a flat black colored bottle.

Here's why:

* Wine and Champagne Names: Most wine and champagne names start with letters like C, F, M, P, R, S, or V. There are very few options starting with K.

* Black Bottle Association: Black bottles are typically used for wines that are sensitive to light, but they're not associated with any specific letter in the name.

If you're thinking of a specific bottle, perhaps you're remembering it incorrectly?

Let me know if you can remember any other details about the bottle, like the country of origin or any other markings on it. I might be able to help you identify it!