The picture below shows larger front and back views of this Old Unused Hopalong Cassidy Cowboy Character Linton Dairy Wilmington Ohio MilkBottleCap. The cap is not dated but it is believed to be from the early 1950s. This is a small cardboard milkbottlecap that probably went on a one pint milkbottle. The cardboard milkcap pictures William Boyd as Hopalong Cassidy, and it is marked as follows: