Amazon has 3oz Mentholatum Original Ointment for $3.48 when you 'clip' the 30% off coupon and checkout via Subscribe & Save (select 'skip immediate delivery and just add subscription'). Shipping is free. Thanks SaltyOne
Note: You must be logged into your Amazon account in order to clip the coupon. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.