Exploring all topics to do with the wonderful postage and revenue stamps issued by Canada since 1851, and the history of their use. Comments are welcome on all posts. Our mission is to spread all relevant knowledge connected with Canadian stamps and postal history.
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No Blog Posts This Week
Just a quick note to my readers to let everyone know that I will not be writing any new posts this week, and possibly next week as well. I have family visiting from out of town for the next two weeks, and I only have time to fill my sales orders. However, I promise to have my next posts published as soon as I can.
I would encourage you to go back over the last several weeks worth of posts and review the information published so far, or re-visit your favourite series of posts.
Today, I finish off my examination of the 15c Bylot Island stamp from the series, with an exploration of the printings made using PVA gum. Unfortunately I do not have some of the scarcer paper varieties on hand, so my descriptions will be less than complete, and I will have to add examples as they become available.
Unitrade lists four varieties of the untagged stamps, three of which are very scarce, and does not list any plastic flow varieties, even though they clearly do exist on the untagged PVA gum printings, as well as on the dextrine gum printings. I have started to use the term dextrine rather than dextrose after David Gronbeck-Jones, the famous Centennial issue specialist and author pointed out to me that dextrose is the sugar from which the dextrine gum is made. The tagged stamps are listed by Unitrade as existing with both Winnipeg tagging and General Ottawa tagging, on both dull and low fluorescent papers, for a total of 4 basic varieties. All of these exist, of course with…
The bill stamps of Canada are the first revenues to be listed by Van Dam and also provide a fine field for the philatelist who is looking to collect beautiful stamps, while having the chance to form large studies of varieties.
There were three issues of bill stamps all shown below:
They were each printed by a different firm, with the Canadian Bank Note Company (CBN) printing the first issue shown in the middle, the American Bank Note Company (ABN) printing the second issue, shown on the right and finally the British American Bank Note Company (BABN) printing the third issue, shown at left. All stamps were printed in sheets of 100. The first issue was in use from 1864-1865, the second from 1865-1868 and the third from 1868 until the 1890's.
The purpose of the bill stamps was to evidence payment of stamp duties on monetary instruments like promissory notes and cheques. The amount of tax required to be paid would, of course vary with the face amount of the instrument. Chequ…
Today, we get into the inks used to print the Centennial issue, as they appear under, or are affected by long-wave ultraviolet light, or black light. Today's post will discuss what I mean by this, and then will look at some of the differences that appear on the 1c through 4c values of the series.
Our perception of colour is a function of how the pigments interact with the light that illuminates them. How an ink will appear under yellow incandescent light will be different from how it appears under daylight, which will differ still from how it appears under various forms of coloured light. However, usually a colour will appear more or less the way you would expect it to appear with the addition of the colour that is inherent in the light. Long wave ultraviolet light is of course, a purple light. So the appearance of most colours would appear darker and washed over with a purple undertone. I would refer to these inks as non-transformative, because the introduction of black light do…