This lot of 9 vintage pharmaceutical drug rep pens includes a variety of brand names such as Bayer, Zyrtec, and Pegasys Gabapentin. Made in the United States, these pens are a collectible item that offer a glimpse into the history and development of various medications. They serve as a unique piece of memorabilia in the field of science and medicine, showcasing both the evolution of pharmaceutical companies and the medications they produce.