As far as I know JN = January JU = June JY = July JKN ! On Mon, Oct 26, 2009 at 11:43 AM, Bob Brock <bob@badger1.demon.co.uk> wrote: > I'm trying to scan and index a set of Edwardian postcards and am having trouble deciphering the dates on the postmarks. > Can anyone tell me whether there was a standard for which of JU, JY and JN stood for January, June and July? > > Bob