The fascinating world of trade cards published in chromolithography is inexhaustible. Thousands of color trade cards were published around the world. Trade card collection began over 100 years ago, the today's strong interest in trade cards began relatively recently. These collections can be based on companies or subjects, so collections can be built up in different ways.
Chromolithographic trade cards were issued in sets and meant to be collected by children, piece by piece. Many different categories are shown and mentioned here.