Here is an offer for up to 7 free posters. All of these posters will be sent out for free including free shipping. The freebie is brought to you by the NIDA. Just visit their site and add all of posters you are interested in into your cart and checkout. This offer is totally free, including free shipping. As usual, you can expect this sample to arrive within 4-8 weeks, if not longer. The sample will last as long as the supplies do.
See the list of free posters right here.