D. & P.
...beg to warn the trade against a concoction of low grade sugar and water masquerading as "Genuine Rock Candy Syrup," which certain unscrupulous persons manufacture and have the brazen effrontery to brand and offer for sale as "Genuine Rock Candy Syrup, guaranteed as good as Dryden & Palmer's," and which claim to be the only genuine Rock Candy Syrup in the market.
Dyrden & Palmer 19 Hudson Street, New York. ...
Promotional trading cards of all types were popular during the Victorian era (soap, tonics, sewing machines, shirts, hats, etc.), and patent medicines were no exception. People would collect and trade these trading cards. Manufactures of patent medicines would design and print these cards, then provide them as promotional giveaways to the drug stores that carried their patent medicines. Many cards have survived and the artwork in many cases is magnificent.
As a complimentary service, RXinsider provides FREE, high-resolution downloads of many vintage pharmacy ads and imagery. Simply complete the form on the following webpage, and you will be presented with a download button to download the files for printing and framing in a .zip file.