The picture below shows a larger view of all (4) 1930s Celluloid & Metal Novelty Toy Prize Miniature Pocket Knives in this lot. These miniature pocketknives may have been used as prizes in boxes of Cracker Jack or as a premium or prize else wear. They each have a hole to hang them on a chain. These each have a single knife blade. In the order pictured these are marked on the blade as follows:
CZECHOSLOVAKIA CHINA JAPAN PRESSNER JAPAN
All of these for one price! To judge the sizes the longest knife here (third one) measure about 2-1/4'' long. They appear to range from fair to excellent condition as pictured.