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Source:
Colnect
Issued by:
Canada
Function:
postage
Date:
3/28
/
1979
Denom:
1c
Color:
slate blue
Design:
Centre Block
(1977)
Watermark:
unwmk
Perf:
12x12.5
Catalog value:
Prev:
3/8/1979 17c grn perf=10v
Next:
5c viobrn
External links:
Colnect 325976..d_Sheet_stamps