Q: Enclosed pictures are of a chair that was given to us about 40 years ago. The rocking action is controlled by coil springs on both sides. That is about all I can tell you. I hope you will be able to shed some insight as to its vintage and value.

A: This platform rocker was made in the late 1800s by one of several manufacturers of furniture in the Northeastern United States. It would probably sell for $365 to $385 in good condition.

Q: What is the value of a china tumbler commemorating the Silver Jubilee of King George V of England? It is marked "Aynsley, England."

A: This was made by Aynsley & Co. in Longton, England, in 1935 on the occasion of the 25th anniversary of the coronation of King George V. It would currently sell in the $50 to $60 range.

Q: Please tell me what you can about my Parker "Duofold Sr." mechanical pencil. It is brick-red in color and appears to be larger in diameter than the average pencil.

This was known as the "Big Brother" mechanical pencil. They were popular in the 1920s and are currently selling for up to $150 in good condition.

OC Q: The enclosed mark is on the back of a porcelain mantel clock

with chimes. It is decorated with flowers, even on the dial. It is about 8 inches high and 10 inches wide. Please tell me what you can about the origin and value of my clock.

A: This would be called a Gouda clock; it was made by the Plazuid factory in Gouda, Holland, in the early 1900s. It would probably sell for $800 to $900 in good condition.

Q: I have an automobile license plate with the slogan "I like Ike & Dick" with their pictures at each end. It is in very good condition. Please evaluate for me.

A: This license plate was used in the 1952 presidential campaign. It might sell in the $265 to $285 range.