From the sales sheet:
Us the coupon code USWWII in the coupon code redemption box at checkout and get 40% off your US WWII Packs ordered on order over $50
Code is good until July 10th so hurry and order.
Offer only good with coupon code. Not good with other offers. Must use coupon code to get special price and orders must be over $50. Not good with prior orders. Offer to end without notice. Only good on US WWII packs.