Walgreens has select Hallmark Father's Day on sale 2/$4 and they have a $4/2 digital coupon that will make them both free! Go here and search "Hallmark" to locate and clip the coupon to your account then head to your local store. Look for the Father's Day Hallmark cards marked 2/$4 or $2 each. Enter your phone number at the register and get your cards free. Sales tax may apply depending on your location. Coupon expires 6/16/24.