Nova Scotia had control of its own postal system from April 5th, 1851 until July 1st, 1867. The province issued its own postage stamps, like this 1857 three pence stamp featuring the British Crown surrounded by shamrock, rose, thistle and mayflower. Source. And. During this phase of postal history the Postmaster General of Nova Scotia was John Howe, brother of Joe, who got the job from their dad.