No jublines. They were put on plates made after 1888
One Plate, 4 panes, 6rows x10.
the ½d postcard die proof
The ½d die used for the Post Card plate in 1879 was used to produce the one half penny plate.
Although Western Australia was not yet a member of the UPU, it was printed in green to conform to the UPU printed matter rate.
First delivery arrived in the colony in July 84 of 123,360 stamps but was not issued until a year later.
The second shipment was ready on 11 June 1885 and was followed by 9 further deliveries, the last being invoiced on 6 November 1888 bringing the total printed to 1,196,880 stamps. After that there was a pause to 1894 when on 6 January and 18 September 240,000 and 244,800 stamps were invoiced. These were being used up by the end of 1895 necessitating the surcharge Half-penny on CC 3d to fill the gap to the arrival of 734,400 stamps shipped on 16 October. It is known that these had arrived and were on sale by 12 December 1895.
The yearly demand just passed 450,000 in 1895. Perhaps panic set in to not
repeat the overprints again, and
De La Rue invoiced nearly 4.5 million stamps during 1896 and a further 3.7
million during the first months of 1897. Normally, this would have been enough
for 18 years, in actual fact the stamps lasted to the latter half of 1910.
line perf on CofA paper. DLR plates were of the wrong layout to be perforated by the Melbourne Comb 12x10 perforator.
April 1910. 2 million
Printed in Melbourne from the DLR plate Line Perf 12.5 from two machines, large or small holes.
Near the end of the federation period, the huge shipments from DLR were finally exhausted. With uniform postage just around the corner the 26 year old plate was brought back into use,
Like all other DLR plates used during federation (the 3d, 5d ,6d and 1/-) The line perforators were used because the comb perforator did not fit the 4 panes of 60 format.
CA wmk examples
plate#1 clearly indicating upper right pane, but also the perforations do the same thing.
note the very clean comb perf at top of sheet with only single perf holes versus
the very small inter-margin of 10.5mm, with perfs, indicating the comb roller had
this separation on it in the middle of it's roll. this sheet shows the comb was
rolled right to left
A not so good, but similar example from the lower right pane