Andrew Wyeth illustrated letter

(Andrew Newell Wyeth, N.A., Chadds Ford, Pennsylvania/ Maine, born 1917), two-page autograph letter signed Andy, on a single sheet of his stationery imprinted Cashing Road, Thomaston, Maine, dated September 6, 1963, to Ed[ward] and Barbara [Coffin], in gratitude for a boat named The Edward made for him as a gift, watercolor on stationery, page 10-5/8 x 8-1/4 in. (sight), illustration 6-1/4 x 8-1/4 in. (sight); modern painted and gilt wood frame with sandwiched glass. Creases, folds, minor stains, browning on verso from drawing bleed-through. Provenance: Private Collection, Owls Head, Maine, 1963; Bob Timberlake Collection Exhibited: Andrew Wyeth: Something of the Artist Farnsworth Library and Art Museum, Rockland, Maine, 1988; Andrew Wyeth and Bob Timberlake: Painting on Familiar Ground, Salem Academy and College, Winston Salem, North Carolina; Fayetteville Museum of Art, Fayetteville, North Carolina; and Huntington Museum of Art, Huntington, West Virginia, 2000; Wyeth: Three Generations, Sechrest Gallery, High Point University, High Point, North Carolina, May 1, 2006- June 15, 2006. [paragraph] To be included in the forthcoming catalog raisonne of the artist's work as Letter- Coffin- Sept. 6, 1963.