"Grossinger's indoor tennis center. The rear of the postcard is an ad for Grossinger's rye bread, a local staple during the resort's operation. Resort royalty Jenny Grossinger lays out the pitch: "The fun and fresh air people get here at Grossinger's really gives them an appetite. They love all of our food - and a particular favorite is our Grossinger's rye and pumpernickel bread. Now you can get this same healthy, flavorful bread at your local food store. Try a loaf. I'm sure you'll love it.""