I've only recently started taking an interest so what I have may be a bit boring.

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1. Canada 1963-4 Blue QE11 5c with
CNR Canadian National Railways ........the C has a missing punch hole at the lower end
http://www.rpsc.org/Library/perfins...fficials.htm > Type V, Montréal, Québec
> First Issue: 1922
> Last Issue: 1972
2.Canada 1963-4 4c Red QE11 with
CPR Canadian Pacific Railway Co
The stamping is off centre - the CP is on the left and the R is coming in on the right.
3. Canada 1963-4 Blue QE11 5c with
PS (Province of Saskatchewan) the S has a lightly punched pin hole on the top and the paper which is still hanging in.
4. Canada 1955,10c Eskimo & Kayak,Violet-Brown postmark 1960 with
PS (Province of Saskatchewan) the S's and P are missing a few punch holes
5. GB 1887-1900SG 201 Queen Victoria 2½d. purple on blue with
L D & CoQuery re L D & Co - can anyone help