cover 1836-50 selection of "Frederick Huth" letters with 1836 letter "Via Singapore" rated "1/2" and showing on reverse "FORWARDED BY/J. BALESTIER/SINGAPORE" oval in green, faint boxed "SWANAGE/INDIA LETTER" and London arrival, 1842 letter to London, the reverse showing straight line "SHIP LETTER" in red, 1846, 1849 and 1850 (2) letters sent via Hong Kong