Los 6226
"17 öre" Postage due charge mark (type 1, struck in Helsingborg) on unpaid folded letter with contents dated Copenhagen December 13th 1865 and sent to Helsingborg. Transit cancels on reverse are illegible. This is the earliest known "17 öre" postage due mark, it is unique in shape and the only example of type 1, known to exist.
