The Lord of the Rings.
1st Edition, 7th/5th/4th Imps 1957/57/58.
George Allen & Unwin.
Hardbacks in slipcase.
Hammond p.98.

Second state of the slipcase.

Available 1958 to 1959.  Price 63s.

500 sets produced.  Boxed in three batches: 150 in November 1958, 250 in February 1959 and 100 in August 1959.

Slipcases manufactured by Jarrold & Sons.

Covered with grey textured paper.
Price printed on label.
Three piece construction.
No staples.
Uses thicker board than first state ??

Includes various impressions 1957-59:

FR 7th or 8th Impressions
TT 5th or 6th Impressions
RK 4th or 5th Impressions