cover LJ, good margins, tied by Maltese Cross cancellation in red to entire from London to Thurso, showing the special Sunday "Sunburst" of the London Chief Office "SUN/JA 3/1841" struck in red, backstamped "JAN/A 5 E/1841" in red; also unstamped entire to Annan, showing the special Sunday "Sunburst" of the London Chief Office "SUN/OC 8/1841", rated "2" in black and backstamped "ANNAN/OC 10/1843"; a fine pair. Photo in colour for both