Postally used, unique early Columbia University postcard that folds out to form a Columbia pennant. Early 1900s. The card has a piece that folds over to form a pennant. The bottom of the card contains a Columbia cheer in red lettering: "Horray! hurray! hurray C-O-L-U-M-B-I-A!" Very good condition. Measures 5 1/5 inches tall and 6 1/2 inches across when folded out.