I need to ship one (Non-adjustable, door/non-3 piece) and have not done so before. Should I close the doors all the way, loosely, tightly with a blade, without?

Second, is this Gillette Super Speed made in 1952? From what I have researched, it appears so, but figure someone can take a quick gander and say yay or nay. Not really important, my father learned on this model(cool), if it also happened to be as old as he is (super cool).

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