Federal Duck Stamps from Basspro

I stopped at Basspro last week to buy my federal duck stamp....the cashier brought me last year's stamp.....I pointed it out and they had mistakenly been selling last year's stamp.......she had the list and it looked like probably 30-40 people who purchased the wrong stamp.....just remembered I wanted to give the OB a heads up.....Since they keep the list I'd think they would give you the right stamp if you go in and that'd be a lot easier than explaining it to "The Man" in the field