01 January (Canada ) within release Bell Telephone Co. of Canada goes into circulation Stamp Numeral - dated 1918 face value 25 Canadian cent
Stamp is square format.
With unique control number in red (prefix A)Also in the issue Bell Telephone Co. of Canada:
Stamp Numeral - dated 1918 it reflects the thematic directions:
Telephony (/təˈlɛfəni/ tə-LEF-ə-nee) is the field of technology involving the development, application, and deployment of telecommunication services for the purpose of electronic transmission of voice, fax, or data, between distant parties. The history of telephony is intimately linked to the invention and development of the telephone.