I know you mentioned that most here only collected glasses but hoping someone might have some insight on this. Here is one of the bottles that has writing on the bottom. It says "As Sample submitted to Dick Kendal(may not be spelled correctly) 9-24-71 Hiram Walker Choc Mint.
https://postimg.org/image/e84dx7uhf/ https://postimg.org/image/5dt9rwia3/