Topic: Skip numbering: What types of numbers are skipped?  (Read 8255 times)
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« on: April 03, 2023, 12:31:24 pm »

I learned about the BoC's latest trend of skipping certain 7-digit number combinations, and I'd like to ask, what types of 7-digit numbers get skipped?

Are palindrome notes, ladder notes, solid-numbered notes, serial numbers 100 and below (or 9999900 and above), and serial numbers with birth dates in them skipped, due to the trend of being hoarded by collectors and the bank discouraging hoarding in order to avoid any impact to the economy?

I realize that skipping certain 7-digit numbers was not possible many years ago, but was it more likely to occur because of computers and technology allowing certain number combinations (and on rare occasions, prefixes, such as FFG - which I brought up in another thread several weeks ago) to be skipped?

Also, are serial numbers printed using computers instead of the way serial numbers were printed during the Birds of Canada and prior series?
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« Reply #1 on: April 03, 2023, 06:42:54 pm »

I see no realistic reason why any particular serial numbers would need to be skipped.

But skip numbering does not mean skipping certain serial numbers.

Skip-numbering is a term that refers instead to how numbers are arranged on a single sheet of banknotes.  Instead of all 45 notes on a sheet being numbered 1 to 45, the first one is numbered 0000001, the second one is 0000201, third one is 0000401, ... and the last one is 0008801.  Then the next sheet has numbers 0000002, 0000202, 0000402, ... 0008802, etc.  The 200th sheet in the stack would have numbers 0000200, 0000400, 0000600, ... 0009000.  Then, when this entire stack of 200 full sheets is cut up, you get 45 piles of 200 notes which are all consecutively numbered in each pile.  So, skip-numbering refers to the skipping of the numbers on a sheet by 200 (at least in this example - there are many, many other counts used over time).

Skip-numbering in this sense has been used by both BABN and CBN for nearly 100 years... At least since the 1937 series of Bank of Canada notes, and perhaps on some chartered notes (an easy way to tell is usually the absence of check letters as these indicate multiple notes on the same sheet having the same serial number, differing only by their check letter).  Fun fact, there are in fact four A00001 1935 English $500 notes, one for each of four (A, B, C, D) check letters.
« Last Edit: April 03, 2023, 06:48:07 pm by BWJM »

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