Luiz I, King of Portugal, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co. 1888

This 1888 chromolithograph card, created by W. Duke, Sons & Co., is part of the “Rulers, Flags, and Coats of Arms” series and features Luiz I, King of Portugal, with his coat of arms and the flag of Portugal. The card depicts Luiz I, the king’s royal coat of arms, and the flag of Portugal in a classic, illustrative style. This was part of a set of cards issued by W. Duke, Sons & Co. to promote their "Honest Long Cut" brand of tobacco. It is a prime example of the use of trade cards as a form of early 20th-century advertising. These cards were collected by many people and served as a form of early "trading cards."