Discover never-before-aired appraisals from this season's eight-city tour, including a 1925 San Francisco pictorial map, NASA signed photos and a Chinese jadeite peach-form bowl from around 1900. Which is the $40,000 to $60,000 treasure?

A 1962 sonic blue Fender Stratocaster; 1965 Beatles-signed photo and letter; French filigree earrings circa 1775.

A 1969 Jasper Johns flag print; 1939 inscribed ``Pinocchio'' book; Imperial jade snuff bottle.

Look back to 2000 and learn what has since happened in the market, and a $55,000-$60,000 find.

See memorable items appraised in 2000; and a jump in value from $15,000-$20,000 to $35,000-$45,000.

Discover how values have changed from 15 years ago, and a $125,000-$135,000 find.

Uncover changes in values from 15 years ago, including an appraisal that doubles in value.

Discover how values from 2000 hold up in today's market, plus a $25,000-$50,000 value change.

Oak Ridge Journal archive; Pete Seeger autographed sign; 1854 Edward Beyer panoramic oil painting.

Warhol lithographs; pair of southern dolls; Frederic Remington portrait and letter from the artist.

A 1939 collection from the rescue operation of a sunken submarine; Torino lamp; two Tlingit Shamanic masks.

An 1821 citizenship certificate for a free man of color; African-American beauty book by Madam C.J. Walker.

A spinning wheel given by Mahatma Gandhi; Roy Lichtenstein pin; diamond and platinum necklace.

An archive of rare photographic baseball cards - Roadshow's largest sports memorabilia find ever!.