1915 envelope to Horncastle, Lincolnshire, bearing a 1d cancelled by the rare KATAGUM DE 14 15 datestamp (Proud D2 but with an 'M' not an 'N' at the end of the name) On the back are Kano DE 18 and Zana DE 22 15 transit cancels. This is the latest recorded usage of this canceller. A very rare cover.