10 December 1847 folded letter to St. John, New Brunswick to Boston, Massachusetts with red "X" postage due rate marking.

Letters from St. John, New Brunswick to the United States were sometimes carried privately to the United States (often by ship) and posted privately at the first port of call. This letter was carried to Eastport and placed in the post unpaid. 10 cents was the rate for a half ounce letter carried more than 300 miles as of 1 July 1845.