Determining if a jigsaw puzzle is rare involves evaluating several factors. Here are some key aspects to consider:
Age:
Older puzzles, especially those produced before the 1950s, can be rare due to their age and the likelihood that fewer intact copies exist today.
Brand and Manufacturer:
Puzzles from well-known and respected brands or manufacturers, especially those that have ceased production or are no longer in business, can be …
Source: What are some ways to determine if a jigsaw puzzle is rare or not?