Use Musicians Friend coupon code EXPBOGO
At Musician's Friend add two of these D'Addario EXP17 Coated Phosphor Bronze Medium Acoustic Guitar Strings to your cart for $24.58. Us the coupon code to get them for $12.29. Shipping is free. Also available are these EXP16 strings
for $11.46 when you add two to your cart and use the coupon code.