Lot 551 Nova Scotia #5a 1860 6d dark green Heraldic Diagonal Bisect on Folded Letter to PEI, mailed from Digby NS on APR.11.1860 (backstamp), through Halifax (APR.13 oval backstamp) and addressed to Muddy Creek, St Eleanors, both located in Lot 17, (APR.20 Prince Edward Island backstamp). The letter inside is dated March 30, 1860. Franked with a bisected dark green 6d, tied on all sides, paying the proper inter-Colonial 3d rate. Accompanied by a 2017 Greene Foundation certificate. From the Louis Sidney Crosby Collection of Prince Edward Island. A very fine cover. Unlisted in The Pence Covers of Nova Scotia and New Brunswick 1851-1860 by Arfken and Firby (2004) and as such likely the only known use of a Nova Scotia bisect on a cover to Prince Edward Island. Unitrade CV$7,000, sold for C$2,100 plus buyer’s premium.