Vintage Jigsaw Puzzles

1. How can you tell if your jigsaw puzzle is vintage? 
2. You know you have a very old one but what is its real value?
3. Is it even worth saving a collection for money?

The short answers are;

1. Anne D. Williams focuses on puzzles before 1970 as history
2. Real value is determined by several factors including condition and demand. It's important to research first
3. Like most hobby collections there is not an immense value attached to puzzles but the occasional rare one may discovered