Ashley Hafer has been a collector of many things since she was a child, she says, but more than a decade ago one collection took over her life. “It all started with my grandma,” she explains. “As my ...

If you’ve ever spotted those colorful, nesting Pyrex mixing bowls at a yard sale or tucked away in your grandma’s kitchen, you might wonder if they’re worth more than just a pretty vintage find. The ...