Yup, pretty interesting, Only brought it home to look it up and try to date it, glad I did!
San Francisco Call 11 February 1898 ? California Digital Newspaper Collection
San Francisco Call, Volume 83, Number 73, 11 February 1898
The Famous Boot Jack Tobacco.
If you use tobacco you surely want the best. Boot Jack plug is made from choice selections of leaf— the cream of the crop. It is pure, clean and lasting. The unanimous verdict is there is no chew like Boot Jack. Of course it costs a little more than the common brands, but it lasts longer and gives much better satisfaction. It is always best to pay a trifle more and get Boot Jack plug than to waste money on inferior brands. •