I am unsure what the W means. I have an Oakland, Maryland Coke bottle that has the letter B. It was made by Owens-Illinois too. I just know this was something their company specifically used. But not all of their Coke bottles had a letter on the bottom.
Today the weather was unseasonably warm for December in Pennsylvania so I went out on a bottle excursion. Lots of broken Cokes were seen but then towards the end of the day I did find this hobble-skirt Coke bottle from Oakland, Maryland which is a first for me. Would it have a higher value due...