Dining Etiquette

I have a question of dining etiquette. I saw my dad pour the last of a bottle of wine into his glass and then up end the bottle, placing it neck side down, back into the ice bucket. It struck me as common, uncouth. William, what is the correct way to do it? Placeit back in, neck side up, and allow the waigt to check and offer another bottle,. or invert the bottle so it is as side up. Sayit's you'r 30. If you can't come along, then tat. So clare, own it. Yoi i would agree. Thene er. Next letter is from gand dev