QUESTION: I have inherited a very plain tall clock made in Philadelphia. How can I tell how old it is? ANSWER: To tell the age of ...

QUESTION: I’ve just begun to collect old jars and bottles. Recently, I found an old blue Mason jar at a church sale. Embossed on the fron...

QUESTION: How do I determine an artist’s most collectible works? Are they the ones that sell for the most money? And, if so, are they the ...