That letter combo brings up zero hits searching ABN thru Google and Tod has nothing listed on his site, are you positive that's the two letters??
Here is everything Tod had listed beginning with just the letter K...
K. Unknown, OH, United States
K. & B. Louisville, KY, United States
K. & E. Pottstown, PA, United States
K. I. Soda Works Honolulu, HI, United States
K. I. Soda Works Company Honolulu, HI, United States
in the august AB&GC magazine " wanted " section, i see a fellow from Zanesville Ohio is
looking for local bottles. among them is an ale embossed " KZ". i'm guessing this is your bottle....
The owner is on vacation at the moment. I know Kearns was a glass maker in Zanesville, but I didn't know he was also a bottler. I've seen/dug several of the base embossed bottles from him and partners. I''ll get a pic when he gets back. He found a bushel basket of bottles in a woman's garage attic, and bought it for $50. Some of the bottles include a pontil Dr. Jayne's expectorant, a Towsend's, the 2 KZ's(aqua one is missing top), and a few other decent bottles. I swear he's the luckiest guy I know.