Mailing tube addressed to Lucille Brown

This is a canister in which a Poro enrollment certificate was mailed to its recipient. The brown paper tube is addressed to Lucille Brown in Weir, Mississippi. There are two different colored, cancelled stamps on the tube, along the right side of the address label. The label wraps around the tube in the center. Text on the tube reads "Return in ten days to/ "Poro" College Company/ Saint Louis, MO/ Register No. 146453/ Lucille Brown No # 0560/ P.O.Box 815/ Weir, Miss./ [illegible]." The tube is open at both ends.