Vintage baseball 1910 -1915 Chicago Cubs Pennant. This pennant features a full color image of a bear cub in a batting stance, with "Cubs" in white lettering. This rare souvenir pennant was sold at Chicago's West Side Park before the Cubs moved to Wrigley Field. Vintage pennants are difficult to date to a specific season. Many pennants were for sale at the ballparks for several years in a row. The size and colors of vintage pennants from this era might vary because they were made from excess, and spare felt.

Common flaws with pennants are missing ties, pin holes, frying, creases, and crazing or cracked printing. Sometimes people will trim down or "Doctor" a pennant to rid it of the frying or other flaws like a flat tip (point) Caused by being pinned up and ripped off. Any of these flaws will degrade the pennant significantly. A 'Doctored" pennants is a term used to describe a pennant that has been altered to cover up a flaw. This practice is frowned upon among the collecting community, and a Doctored pennant could sell for less than a pennant with the flaws it was meant to cover up.