Unless they were BNIB when you opened them and you are 100% sure that you can account for their whereabouts for their entire life, anything is possible...
But if you are absolutely sure that they have never EVER been exposed to smoke, then it will most definitely dispel the ongoing nicotine theory once and for all.
But if you are absolutely sure that they have never EVER been exposed to smoke, then it will most definitely dispel the ongoing nicotine theory once and for all.
Play nice & have fun!!