Sold by The Manhattan Rare Book Company:

Letters and books- including an autograph letter by J.R.R. Tolkien and two autograph letters and an autograph note by C.S. Lewis- from the collection of Robert W. Burchfield. [...]
Autograph letter signed by J.R.R. Tolkien to Burchfield dated June 11, 1972 and written from Merton College, apologizing for not returning the book (Kentish Place-Names) he borrowed.

http://www.manhattanrarebooks-literature.com/tolkien_burchfield.htm

Hauff and Auvermann is having an auction on June 2nd, 2012 which includes a special illustrated edition of The Lord of the Rings produced by Klett-Cotta in 2003.

http://www.buchauktionen-berlin.de/ergebnis.php?verfasser=tolkien&Submit=Abschicken

Description: Tolkien, John Ronald Reuel The Lord of the Rings. Translated from English by Wolfgang Krege. Special Edition. 3 vols (in 1 volume). With full-color book decorations, frontispieces and illustrations by Alexandra Remmes. Stuttgart, Klett-Cotta, 2003. 1411 pp., 2 pp. Quarto. Eggshell-colored full leather binding with blind emboss. No. 199 of 1000 signed by the artist in the imprint. - Without the card and woolen gloves. - Like-new copy.

Original description from the auction house:

Der Herr der Ringe. Aus dem Englischen übersetzt von Wolfgang Krege. Sonderedition. 3 Bände (in 1 Band). Mit farbigem Buchschmuck, Initialen und Illustrationen von Alexandra Remmes. Stuttgart, Klett-Cotta, 2003. 1411 S., 2 Bl. 4°. Eierschalenfarbener Ganzlederband mit blindgeprägtem Mittelstück im illustr. OPp.-Schuber.
Nr. 199 von 1000 (GA 1111) num. Exmplaren von der Künstlerin im Impressum signiert. - Ohne die Karte und die Wollhandschuhe. - Neuwertiges Exemplar.

Coupon Code: SPRING15OFF