Part 1 of 3. Season 16 begins in Tulsa, where items include a signed note from Mother Teresa; an 1894 Winchester rifle; and a collection of late 17th-, early 18th-century Chinese rhinoceros horn cups that are valued at more than a million dollars. Also: a visit to the Pawnee Bill Ranch highlights show-stopping Wild West posters.

Part 2 of 3 in Tulsa features a 1960 first edition of "To Kill a Mockingbird" inscribed by author Harper Lee; a collection of bronzes that may or may not be Remingtons and Russells; and a 1924 Gibson F-5 "Lloyd Loar" mandolin valued at $175,000. Also: a visit to the Woolaroc Museum and Wildlife Preserve highlights vintage petroliana collectibles.

Conclusion. In Tulsa, items include an 1826 English gadget cane that's equipped with both a pistol and a telescope; a 1931 Oscar Mayer in-store display; and a circa 1600 Ming Dynasty cast bronze guardian figure. Also: a visit to the Philbrook Museum of Art highlights housewares, appliances and electronics that were turned into functional art by 20th-century industrial designers.

Part 1 of 3 in Eugene, Ore., includes Ty Cobb-autographed memorabilia; an original "Rosemary's Baby" drawing by art designer Clem Hall; and a 1919 oil painting by Norman Rockwell that's valued at $500,000. Also: a McKenzie River fishing expedition; the antique fly fishing gear market.

Part 2 of 3 in Eugene, Ore., features a circa 1800 New England Chippendale chest-on-chest; an 1846 map of Western America; and a Russian Imperial officer's sword from the reign of Tsar Nicholas II that is worth between $75,000 and $100,000. Also: collecting wine glasses and decanters is discussed during a visit to the King Estate Winery.

The Eugene, Ore., visit concludes with tin toys, including a circa 1938 Marx car and a battery-powered dump truck; a circa 1861 Civil War cavalry guidon that may have been used in the Battle of Shiloh; and a 1960 jeweled gold moretto. Also: collecting wineglasses and decanters is discussed at the King Estate Winery.

Part 1 of 3 in Pittsburgh features intimate letters between Cole Porter and actor Monty Woolley; a circa 1920 silk Kashan rug; and a 17th-century rhinoceros horn cup, purchased for one dollar at a flea market, worth between $350,000 and $450,000. Also: a visit to the Andy Warhol Museum.

Part 2 of 3 in Pittsburgh includes a 6.5 carat yellow mine cut diamond ring; a North American Indian club and pipe that may have belonged to Sitting Bull; and three Charles Darwin first editions, including "The Voyage of the Beagle," "On the Origin of Species" and "The Descent of Man." Also: centuries-old jewelry fashioned out of steel and iron.

Conclusion. In Pittsburgh, items include a collection of letters between members of the Kennedy family and JFK's former personal secretary; a circa 1928 art deco jade sapphire ring; and a 1946 oil painting by Rockwell Kent, along with an inherited letter from the artist. Also: a visit to the Carnegie Museum of Art highlights the work of glass artist Maurice Marinot.

Part 1 of 3 in El Paso features a 19th-century Fiji split whale's tooth necklace; Andy Warhol's 1966 artist's proof of a Jacqueline Kennedy print; and a signed 1937 first edition of J.R.R. Tolkien's "The Hobbit" that's valued at $80,000 to $120,000. Also: a visit to the Centennial Museum highlights pre-Columbian pottery from the Casas Grandes culture.

Part 2 of 3 in El Paso features a collection of signed Andy Warhol soup cans and pop art; a collection of signed Cormac McCarthy first editions; and a circa 1570 Lotto Oushak rug that was purchased for $350 and is now worth between $30,000 and $40,000. Also: the impact that the Mississippi Rifle had on the Mexican-American War and the collector's market for the rifle.

Conclusion. In El Paso, items include a 1775 Revolutionary War canteen; the 1834 last will of Alamo fighter Ben Milam; and a 1787 Debbe Poor sampler that's valued at $40,000. Also: a discussion of Texas spurs, including their styles and construction and what collectors are willing to pay for vintage spurs.

A decorative egg with a Faberge mark that may not be all that it seems; a 1787 land grant signed by Benjamin Franklin; and a New York Chippendale corner chair, circa 1760.

A circa 1939 copy of Gone With the Wind, signed by the author and the cast of the film; an 1875 Persian turquoise and diamond Victorian bracelet; and a circa 1930 painting by Philadelphia impressionist Mary Elizabeth Price.

Conclusion. In Atlanta, items include a circa 1961 Willie Mays jersey and pants; a 17th-century Ming bronze guardian figure; and a circa 1861 Confederate officer's sword that's valued at $50,000. Also: rare photographs of Sherman's 1864 March to the Sea and the burning of Atlanta are examined at a collector's home.

Part 1 of 3 in Minneapolis features a chair that could be worth $50,000; a 1900 McKinley-Roosevelt poster; and a 1976 fancy intense yellow-diamond ring that's worth $140,000-$160,000. Also: Mora clocks are discussed at the American Swedish Institute.

In Minneapolis, host Mark L. Walberg and appraiser Phil Weiss are surrounded by military aviation memorabilia for a discussion of animation propaganda produced by Disney Studios during World War II. Highlights include a 1956 Elvis Presley standee rescued from an attic; a portrait sketched by George Gershwin accompanied with letters from the composer to the owner’s mother; and a circa 1885 Franz Roubaud oil painting, valued at $100,000.

Conclusion. In Minneapolis, items include an 1863 U.S. Grant letter; a circa 1950 "Li'l Folks" cartoon by Charles Schulz; and two paintings purchased together for five dollars that are valued at $75,000. Also: collecting flashlights is discussed at the Wabasha Street Caves in St. Paul.

Flash forward from 1997 for believe-it-or-not ROADSHOW moments in Phoenix.

See if the objects found at the Secaucus ROADSHOW floated upstream or downstream in the last 15 years.

Find out what the future held for some of the treasures ROADSHOW corralled in Houston in 1998.

See how some of ROADSHOW's Atlanta discoveries have fared since 1997.

Discover which treasures the market favored since ROADSHOW's visit there in 1998.

Conclusion. In Pittsburgh, items include a collection of letters between members of the Kennedy family and JFK's former personal secretary; a circa 1928 art deco jade sapphire ring; and a 1946 oil painting by Rockwell Kent, along with an inherited letter from the artist. Also: a visit to the Carnegie Museum of Art highlights the work of glass artist Maurice Marinot.

Appraisals from Season 16 visits to El Paso, Atlanta and Minneapolis. Included: diamonds and a sapphire from Tiffany; Dr. Seuss' signature; and a Missouri Regiment Colt pistol that's valued at more than $22,000.

Feline- and canine-related items are appraised, including an original Hush Puppies mascot, dog portraits and bronze cat.

Individuals have gifts that they've received appraised. Included: a Louis Comfort Tiffany necklace; a Fender bass guitar.