Costco Duracell 2pk 700 lumen flashlights $10 instant rebate

https://m.costco.com/Duracell-2-p…19990.html
$10 instant rebate at store (50% off). I did not see it online or in the current coupon booklet. this was in zip code 85713. I purchased a week ago, received $10 back after showing receipt.