Door year identification?

Hey all,

The white for its the original from my 66, the grey door is a spare for repair pieces.

The only difference between the two is the door open stopper, and the 4 hole hinges instead of the 3 hole hinges from the 66.

http://i.imgur.com/lJusk1q.jpg

I'm thinking oval, but only guessing.

Is the grey [Gunyah Grey?] door's outer handle a push-button type ? If so, it's probably late '59 - early '60.

Yes, push button. Same as my 66.