cover 1866-67 entire letters (6) ex the Lanman and Kemp correspondence from Cuba to New York and all carried by the Fah-Kee, two showing fair to good strikes of the fancy-framed "U.S. MAIL STEAMSHIP/FAH KEE,/St. Jago." d.s., one (21 April 1866) on face, the other (24 July 1866) on reverse and also showing Brooks and Co. sender's cachet on face