Printed 'Army and Navy Department of the International Committee, Young Men's Christian Associations' FLAG cover with manuscript 'Lorenzo Kopf. Chief Musician, 1st Texan Band, Camp Columbia, Havana, Cuba' return address on front franked with 1899 2c on 2c rose pink 'US Occupation' overprint issue (SG 247c) tied by superb strike of MIL. P. STA. No. 26. BUENAVISTA, CUBA cds in purple dated MAR 18 1899 with boxed 'SOLDIERS LETTER W.W. WATTS CHAPL. 1 TEX. V.I.' cachet also in purple alongside. Addressed to USA with arrival mark on reverse. A superb & rare exhibition piece. Ex Kouri.