1980 JERSEY STAMP USED IN DORSET/INVALID. Envelope Weymouth to Sheffield with 8p Jersey, uncancelled and not accepted for postage with light strike of the boxed cachet "CHANNEL ISLAND STAMPS/NOT VALID IN U.K." with 20p to pay. Also on front WEYMOUTH/DORSET date stamp 6 OCT 1980. (Ref 110989).
