The use of the 1894 coded time system in British post offices /
Moy, John A. E.
Moy, John A. E.Use of the 1894 coded time system in English provincial offices.
British Postmark Society.
East Horsley : J.A.E. Moy in conjunction with the British Postmark Society,
c1999.
Previous ed. published as: The use of the 1894 coded time system in English provincial offices. 1991.
Postmarks