Envelop.
Description:
Patent for "simple envelop which can be cheaply manufactured and which cannot be fraudulently tampered with or opened for the purpose of removing its contents without mutilating or injuring the envelop to an extent which would be noticable" (lines 9-14), including illustrations.
Date:
April 3, 1917
Creator:
Moore, Essie H.
Partner:
UNT Libraries Government Documents Department