This offer is for 3 cards and envelopes, all are new. (see images).  

Retail is $5.99 each or $17.978 for four cards.

Happy Birthday/Friendship Cards

I do combine shipping on cards. I only charge what it cost me to mail the cards, I do not charge for handling. If you have a problem with combined shipping and must pay the full postage on each item, I will reimburse all unneeded postage as a refund. Thank you