Lot 306 Great Britain, An Illegal 1969 Use Of 10d Wilding Bisect To Pay 4d Rate, Rejected and Rated 8d Postage Due

An illegal use of 10d wilding bisect to pay a 4d rate in 1969. Rated 8d unpaid and franked with 8d postage dues. Very fine. A scarce cover, although very likely philatelic.
Est.is $15.