James this is great idea for a thread. Kinda different from the birds,
mammals,car, plane, train, arches etc themes.
Probably not much out there either so you should be able to get
a complete signature on stamps collection for a couple of
hundred bucks.

Here is a Canadian one for you,Georges P. Vanier.
I was just going to write that he was the first Canadian born
Governor-General but that was actually Vincent Massey.
Vanier was the first Francophone GG though.

NB: Replaced missing image.