
This photo provided by Sotheby's in New York shows some of the romantic letters and drawings the late Peanuts creator Charles Schulz sent to a young woman 23 years his junior, who infatuated him. The love notes from 1970-1971 are being offered for sale at Sotheby's in New York. (AP Photo/Sotheby's)

"Peanuts" creator Charles M. Schulz is joined by his characters (left to right) Charlie Brown, Lucy and Snoopy after his star was unveiled on the Hollywood Walk of Fame in the Hollywood section of Los Angeles on Friday, June 28, 1996. "Pretty good for a cartoonist," Schulz said. (AP Photo/Susan Sterner)

With Snoopy atop the tree, Charlie Brown, Lucy and Linus celebrate the holiday season in "A Charlie Brown Christmas." The animated classic was written by "Peanuts" creator Charles M. Schulz with a musical score by Vincent Anthony "Vince" Guaraldi. (AP Photo/United Feature Syndicate Inc.)

The life-size Snoopy looks at a portrait of "Peanuts" creator Charles M. Schulz, by photographer Yousuf Karsh, during its installation at the National Portrait Gallery in Washington on Friday, Oct. 1, 2010. To the left and right of the portrait are drawings of Schulz's "Peanuts" characters. (AP Photo/Jacquelyn Martin)

Jean Schulz (center), widow of cartoonist Charles M. Schulz, rubs noses with Snoopy in front of a portrait of the "Peanuts" creator by photographer Yousuf Karsh on Friday, Oct. 1, 2010, at the National Portrait Gallery in Washington, during a ceremony in which the portrait was presented to the gallery. Estrellita Karsh, wife of the photographer, is at right. (AP Photo/Jacquelyn Martin)

This photo provided by Sotheby's in New York shows some of the romantic letters and drawings the late "Peanuts" creator Charles M. Schulz sent to a young woman 23 years his junior who infatuated him. The love notes from 1970 and 1971 are being offered for sale. (AP Photo/Sotheby's)

This photo provided by Sotheby's in New York shows some of the romantic letters and drawings the late "Peanuts" creator Charles M. Schulz sent to a young woman 23 years his junior who infatuated him. The love notes from 1970 and 1971 are being offered at auction. (AP Photo/Sotheby's)

"Peanuts" cartoonist Charles M. Schulz is pictured in 1978. (AP Photo)

“Peanuts” creator Charles Schulz sent dozens of romantic notes to a woman 23 years his junior. The letters, from 1970-1971, are being offered for sale by the family of Tracey Claudius, the object of his infatuation. Schulz died in 2000 at age 77. (Associated Press)