Letter dated 3 June 1915 written by Private Thomas Henwood of Clare Road, Ystalyfera to his mother and father, brother and sister, while he was on active service with the 1st Battalion, Welsh Guards, from a YMCA hut at Caterham, Surrey, having recently enlisted. There is also a typed transcript of the letter, a copy photograph of Thomas Henwood in uniform, and copies of his obituary in the local press in October 1915 and other biographical information.