8vo - over 7≤" - 9≤" tall.
Houghton Mifflin, 1981 1st thus US Edition, Silver Anniversary Edition to celebrate the 25th Anniversary of the release of the Lord of the Rings in 1954.  

Delayed until 1981, a beautiful design of silver faux leather with red mountains on the spine.  

This set is in Near Fine condition.  
The books show no rubbing, most minor of shelf rubbing to the bottom of the original publishers slipcase.
No writing, names or marking.  

These are a fabulous set and present beautifully.

Digital photo's available, inquire if interested.  
Other Tolkien books available, include both the UK and US editions, original cloth bindings, custom fine bindings, and Signed/Numbered/Limited Editions.