Edward VII Postmarks
The Guideline, Journal of the VIPS, October 1985, p. 4
by Lester Small
In the Victorian era, the indicia in the hammer began a differential in time, with A.M. and P.M. Added to these was the NT symbol about which very little is known (see the article above).
In 1901, Queen Victoria died and Edward VII ascended the throne, and a new issue of stamps appeared featuring his bust on a set of stamps from 10¢ to 50¢ in value.
What very few collectors have noticed is that a very new system of indicia was introduced in the time element. Two hammers were used. The first was a single circle 21 mm in diameter with Victoria B.C. The second hammer was the duplex with the circle and killer with Victoria B.C. Canada. This duplex hammer came in two sizes. In one, the circle and killer are both 20 mm. In the other, the two are different in size, the circle being 23 mm and the killer 20 min.
Now to the point. The time element was now RAILROAD TIME - 1 to 24.
C.P. Navigation post card dated 21/July 2/1902 with the 23mm duplex.