No tariffs on postcards shipped to USA.
Probably lightly trimmed.By the quality of paper and the stamp probably 1944-45
Regular mail:
-within Canada $2.00
-USA $2.50
-International $5.00
Registered mail is optional for $14.00 (Canada),$12.50 USA,$27.00 international.
Buyer pays for registered mail ,if item value is higher than $40.00.