f.27. Letter in Malay from Yang Dipertuan Muda of Riau [Raja Jaafar] to T.S.Raffles in Melaka, 12 Rabiulawal [1226] (6 April 1811). Lampblack seal. English paper, ‘Curteis & Son 1806’; 39 x 31.7 cm. Reproduced in Gallop 1994:90, 215. Translation in Ahmat (1971:16-17).
