Issued by The Philadelphia Confections Co. | Nightingale, from the Zoo Birds series (E30) issued by The Philadelphia Confections Co. to promote Zoo Caramels | The Metropolitan Museum of Art

Inscription: Printed text along lower edge of card: Nightingale.Printed text on verso of card: This card is one of a/ set of FIFTY "ZOO"/ cards, as follows:[list of birds included in set]/ One of the above cards is wrap-/ped with every ZOO caramel