[ Vice Admiral Cuthbert Collingwood. ] Contemporary manuscript official copy letter to Vice Admiral Duckworth, regarding Royal Navy ships in the Mediterranean respecting the neutrality of Portuguese ships. With manuscript extract from treaty.

Both items in very good condition, on lightly-aged paper. ONE: Copy letter. 2pp., folio. On paper with watermark 'JOHN HOWARD | 1804'. Ends: 'To | Sir J. T. Duckworth K.B. | Vice Admiral of the White | &ca. &ca. &ca. | Given on board the Ocean off Cadiz | 12th. August 1806 | (signed) Collingwood | By Command of the Vice Admiral | (signed) W R Cosway | A Copy'. Headed: 'By the Right Honble Cuthbert Lord Collingwood, Vice Admiral of the Red, and Commander in Chief of His Majesty's Ships and Vessels employed and to be employed in the Mediterranean &c.' Requiring and strictly enjoining abstention from derogatory acts, following 'repeated Complaints [...] by the Ministers of Her most faithful Majesty of Acts being committed by certain Commanders of His Majesty's Ships, derogatory to the respect due to the Portuguese Flag, and in violation of the neutrality of that Nation - by seizing on Ships, delaying them on their Lawful Voyages, - and committing Hostility on their Coast within the bounds which are prescribed to neutrality'. TWO: Headed 'Extract from the Treaty of Westminster, with Portugal, 10th. July 1654.' 1p., 4to. On leaf with 1802 watermark.