R. Semmes, Chief of Bureau, (Raphael Semmes, CSA Rear Admiral, Commander of the Confederate raider 'Alabama'), one page ALS, Apr. 15, 1861 war-date letter headed 'Montgomery' (CSA's first capital) to an unknown recipient regarding receipt and approval of a quarterly estimate, very short postscript with additional 'R.S.' endorsement (AES), 7¾ x 7¾" on blue-lined stationery, very fine, a very rare autograph signature, ex Sonneborne photo