SG5a. 1857 (17 December). 6d Yellow-green. 'Biscet'. Cover from Annapolis to Bridgetown, bearing 6d Yellow-green 'Bisect' with good to huge margins on frame sides, endorsed 'PAID' in manuscript. Backstamped light 'ANNAPOLIS DE 17 1857' (dispatch) and 'BRIDGETOWN DE 17 1857' (arrival). David Brandon Certificate. Rare 3d Rate Cover.