Here’s what to watch for. A cookie jar can be valuable for all sorts of reasons: age, condition, brand, shape and rarity. Here are some finds that have proven lucrative in recent years.

Lisa Kudrow is revisiting a sentimental gift from her late Friends castmate Matthew Perry. "Matthew gave that to me at the ...

Some of the cookie jars had animal designs, including cats, ducks and cows — signifying cookies and milk. Others were shaped like apples. Some just had the word “cookies” on them.