Cover with complete original letter enclosed datelined 'Jamaica 19 May 1804' plus on the second page a duplicate letter of one sent in April 1804 per the packet ship 'Queen Charlotte' mentioning the misunderstanding of the use of their private militia in the evacuation of St Dominique (Haiti) due to the war of independence by Jean-Jacques Dessalines with manuscript 'Packet' on front and light strike of straight line 'JAMAICA 20 MAY 1804' marking in black on reverse. Addressed to UK and rated 3/8 in manuscript on front with LONDON arrival cds on reverse. The cover shows signs of having been disinfected by scorching due to the outbreak of Yellow Fever in Jamaica at this time. A small write up accompanies.