I adore colorful old lithographed labels- such little graphic gems. One of my favorite categories is broom labels. These were the labels (usually about 3" x 5") that were affixed to straw brooms. You don't see too many around these days- as they wore off or were removed with the packaging. The ones that I have are "new old stock" or "dead stock," meaning that they were printed in the period but unused.
Here are a few of my favorite examples from my inventory: