1841 EL franked with 1841 1d red from Plate XIII on deeply blued

1841 Entire Letter from Edinburgh franked with 1841 1d red from Plate XIII on deeply blued paper with "Ivory Head", unclearly addressed and with manuscript "not known at / Newry" with NEWRY double-ring cds and "try Kerry", this crossed out in red pen with "try Inverary", the reverse with myriad back-stamps detailing the letter's travels between November 10th and arrival back in Scotland on November 24th.