Patent for an Envelop-Lock, which "appertains to a sealing or locking device for envelops and other containers, and aims to provide a novel and improved means for locking or sealing the closure flap of an envelop, whereby the envelop cannot be opened without tearing or mutilating the same, so as to be apparent to the recipient of the envelop." (lines 8-14) including instructions and illustrations.

Photograph of train engine #908 and attached car on railroad tracks, viewed from the side. "Texas & Pacific" and "908" are visible on the side. Wires run between poles on either side of the train. Buildings stand in the background on the left and right. Handwritten text below the image says, "Texarkana, Texas Nov 24th 1946."