ANTIQUES ROADSHOW is in Austin, Texas, where host Mark L. Walberg joins appraiser Wes Cowan at the Texas State Library and Archives to learn about fraudulent and authentic Texas Declaration of Independence documents. Highlights include a 1607 Galileo letter that was purchased by the owner's grandmother for $170 and is now appraised at $60,000 to $100,000; a jewelry collection of a diamond and sapphire ring, necklace and tassel, valued at $55,000 to $85,000; and a Chinese cloisonne panel that was said to be gifted to the owner's grandfather by the Emperor of China and holds an estimated auction value of $70,000 to $100,000.