This antique quack medicine is a fascinating piece of history. The Myacin pain relief pills were manufactured in Chicago by V.N. Products in the early 1900s. The pills are made of a highly sought-after ingredient, Z105, which is known for its powerful pain-relieving properties. The pills are a great addition to any antique apothecary collection and are perfect for anyone interested in the history of medicine. The time period of manufacture is pre-1930, which adds to the uniqueness of this piece. Don't miss out on the opportunity to own a piece of history with these antique quack medicine Myacin pain relief pills. see photos the box is 7/8" high and 3" wide. we just have instruction sheet inside the pills are all gone.