The product is a set of vintage printed postcards featuring Rockefeller Center and an observation deck in New York City. The postcards are from the linen era (1930-1945) and were never used, remaining in their original condition. Made of paper and measuring a standard size of 5.5 x 3.5 inches, these postcards capture the essence of the United States' iconic city. Perfect for collectors of topographical postcards, these items offer a glimpse into the history and charm of New York City's famous landmarks.