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Topic: Lithographed vs. Steel 1979 CBN $20  (Read 6261 times)
regent
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Lithographed vs. Steel 1979 CBN $20
« on: March 26, 2010, 09:04:51 pm »
 THE LAST NOTE WITH ENGRAVED BACK IS 50983239998
AND THE FIRST NOTE WITH LITHO BACK IS 50891440000
 I THINK THAT THE LAST ENGRAVED MUST HAVE A NUMBER LOWER THAN THE FIRST LITHO
LIKE THE FIVE OTHER RANGES ON THAT PAGE,
IF I AM WRONG EXPLAIN ME HOW TO UNDERSTAND WHAT THAT MEAN
« Last Edit: July 25, 2011, 07:33:22 pm by BWJM »
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woodguy62
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Re: PAGE 286 1979 20$ CBN
« Reply #1 on: March 26, 2010, 09:51:15 pm »
Top of the page:

Some of the CBN $20 were printed from steel engraved back plates after the introduction of the lithographed back.

So the next question is, what ranges are steel, and what ranges are lithographed?

later

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Bob
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Re: PAGE 286 1979 20$ CBN
« Reply #2 on: March 27, 2010, 07:04:10 pm »
The numbers are as given in "Bank of Canada Issues 1969-1989" by J. Graham Esler, CNRS Transactions 1989 pp 65-73.
Footnote 2 on page 73 explains, "Some notes printed from steel engraved plates were printed and numbered after the notes with lithographed backs had been introduced.  Hence, the last note with a steel engraved back has a number higher than the first note with a lithographed back."
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