1938-11-15: Official - Perforated Large "OHMS"

1938-06-15: Pictorial Issue - 1938









1938-06-15: Pictorial Issue - 1938 - Perforated Large "OHMS"






1938-06-15: Special Delivery (1938-1939)



1938: Bell Telephone Co. of Canada


1938: British Columbia Telephone Co.



