I have a bottle with a similar indentation. It sure looks like yours. It appears like my bottle & your bottle have been tumble polished. Possible not done correctly and the unprotected pontil was removed by the process.
Those are around 1905ish. The NY is a pretty decent example as there is a dedicated following for AnheuserBusch beer bottles. The Pabst is a fairly easy one to find as many have survived. They are great examples of days gone by.
Most photo software will allow a user to "SAVE FOR INTERNET". This will compress the file so that it can be easily downloaded. Just one of many ways to make an image smaller.
This is the first bottle added to the COLLECTION in 2024. Thanks Leon. I didn't have anything from Adrian Michigan so this is a gem for me. UNION BREWERY.
They were also in NY CITY in the 1880s - 1890s. And they had depots (branches) for bottling in other NY cities. GLEN FALLS, NY // RYE NECK, NY // SARATOGA, NY // RIVERSIDE, NY